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    "url": "https://www.ooitech.com/oslb-1300-back-contact-cell-welding-machine-bc-solar-cell-stringer-for-ibc-abc-hpbc-panel-production.html",
    "language": "en",
    "title": "OSLB-1300 BC Cell Stringer: 1000 Cells/h, ±0.10mm",
    "description": "OSLB-1300 back contact cell welding machine by Ooitech delivers ≥1000 cells/hour throughput for BC, IBC, ABC, and HPBC solar cell string welding.",
    "keywords": "OSLB-1300, back contact cell welding machine, BC cell stringer, IBC cell soldering machine, ABC cell welding equipment, HPBC solar cell stringer, back contact solar panel production, solar cell ribbon welding machine, automatic cell welding machine, BC se",
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            "text": "OSLB-1300 BC Cell Stringer: 1000 Cells/h, ±0.10mm"
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            "level": 4,
            "text": "OSLB-1300 BC Cell Stringer: 1000 Cells/h, ±0.10mm"
        },
        {
            "level": 5,
            "text": "Stock: Available | 30~60 days manufacturing time"
        },
        {
            "level": 5,
            "text": "Category: Product"
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        {
            "level": 5,
            "text": "Tags:"
        },
        {
            "level": 2,
            "text": "OSLB-1300 Back Contact Cell Welding Machine Overview"
        },
        {
            "level": 3,
            "text": "Precision Welding Solution for BC Series Solar Cells"
        },
        {
            "level": 3,
            "text": "How the OSLB-1300 Works"
        },
        {
            "level": 2,
            "text": "Technical Parameters"
        },
        {
            "level": 2,
            "text": "Key Technical Advantages"
        },
        {
            "level": 3,
            "text": "A/B Dual Cell Loading and Gluing System"
        },
        {
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            "text": "Advanced CCD + SCARA Robot Positioning"
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            "text": "Precision Welding Transfer and Infrared Heating"
        },
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            "level": 3,
            "text": "Comprehensive Ribbon Handling System"
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            "text": "Inline EL Inspection and Automated Unloading"
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            "text": "Intelligent Software Control"
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            "text": "Premium Component Selection"
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            "level": 2,
            "text": "Product Applications"
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            "text": "Back Contact Solar Panel Production Lines"
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            "text": "Applicable Production Scales"
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            "text": "Warranty and After-Sales Service"
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            "level": 3,
            "text": "Warranty Coverage"
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            "level": 3,
            "text": "Warranty Exclusions"
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        {
            "level": 3,
            "text": "Post-Warranty Support"
        },
        {
            "level": 2,
            "text": "Contact Ooitech - Get a Quotation"
        },
        {
            "level": 3,
            "text": "Your Trusted Partner for Solar Panel Production Solutions"
        },
        {
            "level": 2,
            "text": "Related Items"
        },
        {
            "level": 4,
            "text": "SC-20P BC Cell Laser Cutting Machine"
        },
        {
            "level": 4,
            "text": "Non-Destructive Solar Cell Laser Cutting Machine"
        },
        {
            "level": 4,
            "text": "SL-1000 Back Contact Cell Welder: 600 Cells/h"
        },
        {
            "level": 4,
            "text": "IEC Certification Test Equipment: 0.1-10kV, 2600mm"
        },
        {
            "level": 4,
            "text": "C350-CQC EVA & TPT Strip Cutting Machine: 30-80mm"
        },
        {
            "level": 4,
            "text": "CHT9980A PV Safety Tester: 8kV, 0.001kV Resolution"
        },
        {
            "level": 4,
            "text": "SC-10C Full Automatic Silicon Wafer Laser Cutting"
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        {
            "level": 4,
            "text": "PV Ribbon Machine — Wire Drawing and Tinning Line"
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            "text": "Request A Quote"
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            "text": "We deliver expertise you can trust our service"
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            "text": "Jizzakh Polytechnic Institute"
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            "text": "Diarra From Africa"
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            "text": "Mark"
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            "level": 3,
            "text": "Amjad"
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        {
            "level": 3,
            "text": "KTECH"
        },
        {
            "level": 2,
            "text": "Our Latest News & Blog"
        },
        {
            "level": 3,
            "text": "TOPCon Solar Cell Manufacturing Process: Step-by-Step"
        },
        {
            "level": 3,
            "text": "Cosmic Solar Purchases 5MW Semi-Automatic Solar Panel"
        },
        {
            "level": 3,
            "text": "30MW BIPV Solar Panel Production Line"
        },
        {
            "level": 3,
            "text": "Tabber Stringer Machine Manufacturer: How to Vet One"
        },
        {
            "level": 3,
            "text": "Solar Panel Production Line in Egypt: 4 Projects"
        },
        {
            "level": 3,
            "text": "Triple-Junction GaAs Solar Cell — Structure and Gains"
        },
        {
            "level": 3,
            "text": "American Green Energy Company Purchases Ooitech"
        },
        {
            "level": 3,
            "text": "SUNUSA Orders 5MW Semi-Automatic Solar Panel Production"
        },
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            "level": 3,
            "text": "Company"
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            "text": "Services"
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        },
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            "level": 4,
            "text": "Subscribe Our Newsletter"
        },
        {
            "level": 4,
            "text": "Well done!"
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    "markdown": "# OSLB-1300 BC Cell Stringer: 1000 Cells/h, ±0.10mm\n\n> OSLB-1300 back contact cell welding machine by Ooitech delivers ≥1000 cells/hour throughput for BC, IBC, ABC, and HPBC solar cell string welding.\n\n#### OSLB-1300 BC Cell Stringer: 1000 Cells/h, ±0.10mm\n\nOSLB-1300 back contact cell welding machine by Ooitech delivers ≥1000 cells/hour throughput for BC, IBC, ABC, and HPBC solar cell string welding.\n\n##### Stock: Available | 30~60 days manufacturing time\n\n##### Category: Product\n\n##### Tags:\n\n---\n\n---\n\n**Quick answer:** The OSLB-1300 is a fully automatic back-contact cell welding machine for BC series solar cells. It handles 166 mm to 210 mm formats with ribbon at 0.2 mm and a breakage rate near 3%, and is specified for module lines from 5 MW to 1 GW. Back-contact cells carry both polarity contacts on the rear, so the welding path runs behind the cell rather than across the front busbars. That changes the tooling, the ribbon route and the thermal profile: the joint is made where you cannot see it from the illuminated side, and the electrode pattern is denser than on a conventional cell. The OSLB-1300 is built around that geometry rather than adapted from a front-contact stringer. For BC line planning it is the counterpart to the SS-1500B.\n\nPV Module Manufacturing · by Jerry, Ooitech\n\n## OSLB-1300 Back Contact Cell Welding Machine Overview\n\n![Watch product video](https://img.youtube.com/vi/7oacnEE9kQY/maxresdefault.jpg)\n\n### Precision Welding Solution for BC Series Solar Cells\n\nThe **OSLB-1300** is a fully automatic back contact cell welding machine engineered for high-speed, high-precision welding of BC series solar cell strings, including IBC, ABC, and HPBC cell technologies. Developed by Ooitech, this advanced stringer machine achieves a production capacity of **≥1,000 cells per hour** with a cell fragmentation rate of **≤0.2%**, making it an essential piece of equipment for manufacturers producing next-generation back contact solar panels.\n\nThe equipment integrates a complete workflow from cell loading to welded string unloading. The system includes A/B dual cell loading boxes, A/B gluing control systems, a loading translational mechanical arm, cell transmission table, cell flipping system, CCD + four-axis SCARA robot detection and positioning system, ribbon handling mechanism, welding transmission table, infrared temperature-controlled heating system, inline string EL inspection system, and a fully automated unloading mechanism.\n\n### How the OSLB-1300 Works\n\nThe working principle follows a streamlined automated process:\n\n- The loading translational mechanical arm picks solar cells from the cell box and places them on the gluing table for positioning and glue/solder paste application.\n- The transfer station moves cells to the CCD detection and positioning station, where the industrial camera sends coordinate data to the four-axis SCARA robot.\n- The robot corrects cell placement with **±0.2mm accuracy** and positions cells onto the welding transfer station.\n- Ribbon clamping claws pull processed ribbons to the welding station while the manipulator lays glued cells onto the welding ribbons. Claws and robot work alternately to complete ribbon and cell placement.\n- The welding transfer station features multiple independently controlled temperature zones for precise welding control.\n- Arranged ribbons and cells pass through the infrared heating light box station where controlled heating completes the soldering process.\n- Welded cell strings are conveyed to the unloading station for EL inspection, then the unloading mechanism places strings into cell string boxes with clean paper separation to prevent scratching.\n\n## Technical Parameters\n\n| Parameter | Specification |\n| --- | --- |\n| Model | OSLB-1300 |\n| Production Capacity | ≥1,000 PCS/H |\n| Positioning Accuracy | ±0.10mm |\n| Maximum Operating Speed | 1,000mm/s (Adjustable) |\n| Applicable Cell Size | 166210 x 30166mm |\n| Maximum String Length | 1,800mm |\n| Welding Method | Gluing + Ribbon Welding |\n| Gluing Systems | 4 Sets |\n| Cell Detection | CCD Camera Detection (Missing Corner) |\n| Placing Accuracy | ±0.2mm |\n| Spray Media | Solder Paste or Conductive Glue (Customer Process) |\n| Cell Fragmentation Rate | ≤0.2% (Class A Cells) |\n| Equipment Failure Rate | ≤3% |\n| Loading/Unloading Method | Automatic Loading and Unloading |\n| Electrical System | PLC + Touchscreen + Servo + Module |\n| HMI | Touchscreen, Friendly Interface |\n| Error Alarm | Real-Time Fault Alarm |\n| Device Color | Main Traffic White + Sky Blue |\n\n## Key Technical Advantages\n\n### A/B Dual Cell Loading and Gluing System\n\n- Dual A/B loading boxes handle A and B cells independently for seamless production\n- High-precision double gluing platform with precision gluing valves\n- Servo motor and ball screw drive ensure consistent glue application\n- Two-way adjustable material box accommodates all cell sizes up to 210mm\n- Automatic empty cell detection with alarm notification\n\n### Advanced CCD + SCARA Robot Positioning\n\n- Four-axis SCARA robot delivers fast and accurate cell placement\n- 800W pixel industrial camera for high-resolution cell inspection\n- **±0.2mm positioning accuracy** ensures precise cell-to-ribbon alignment\n- Built-in detection for missing corners and incorrect cell placement\n- Coordinates transmitted in real time for dynamic correction\n\n### Precision Welding Transfer and Infrared Heating\n\n- Multi-zone welding transfer table with individual temperature control per zone\n- Real-time temperature monitoring with PID temperature control and adjustment\n- Teflon belt conveyor prevents material adhesion\n- Zoned adsorption system secures cells during transport\n- Dedicated infrared lamp heating module with high-precision temperature control for uniform soldering\n\n### Comprehensive Ribbon Handling System\n\n- 10 sets of linear mechanisms for ribbon handling\n- 10 sets of ribbon inspection mechanisms ensure ribbon quality\n- Front and rear modules press ribbons into position\n- 19 sets of ribbon grippers with servo-driven linear guide modules for high-precision ribbon pulling\n\n### Inline EL Inspection and Automated Unloading\n\n- 3-camera EL inspection system supports maximum string length of 1,800mm\n- Detects micro-cracks, cold solder joints, and welding defects in real time\n- Automated unloading conveyor with servo motor and PU belt drive\n- Independent silicone vacuum suction cups for cell strings and clean paper\n- Clean paper separation prevents string surface scratching during stacking\n\n### Intelligent Software Control\n\n- Specialized software for easy editing and parameter modification\n- Friendly human-machine interface with touchscreen operation\n- Centralized numerical control with keyboard-based parameter settings\n- All main parameters can be saved and recalled\n- Dual working modes (Operation and Setting) with hierarchical password protection\n- Real-time fault alarm system for immediate troubleshooting\n\n### Premium Component Selection\n\n| Component | Brand | Application |\n| --- | --- | --- |\n| Steel Frame | China | Machine Frame |\n| PLC | INOVANCE / China | Machine Control System |\n| Proximity Switch | OMRON | Robot Arm Positioning Control |\n| Pneumatic Components | AirTAC / SMC | Whole Machine Pneumatics |\n| Air Switch | Chint | Machine Control System |\n| AC Contactor | Schneider | Machine Control System |\n| Control Card | China | Machine Control System |\n| Servo Motor | INOVANCE / Xinjie | X/Y Module Drive |\n| Touchscreen | Kunlun Tongtai / INOVANCE | HMI Control System |\n| Guide Rail & Screw Rod | WON | X/Y Module |\n| Four-Axis Robot | China | Cell Grabbing and Positioning |\n| Camera | China | CCD Detection Positioning |\n| Infrared Welding Light Box | Customized | Cell and Ribbon Welding |\n\n## Product Applications\n\n### Back Contact Solar Panel Production Lines\n\nThe OSLB-1300 is specifically designed for manufacturers producing back contact solar modules, where electrical connections are made on the rear surface of the cell. This machine is the core welding equipment for:\n\n- **IBC (Interdigitated Back Contact) solar panel production** - Full rear-contact cell architecture requiring precise glue application and ribbon alignment on the back surface\n- **ABC (All Back Contact) solar panel manufacturing** - Advanced back contact technology demanding high placement accuracy and low breakage rates\n- **HPBC (Hybrid Passivated Back Contact) solar panel lines** - Next-generation hybrid back contact cells requiring controlled infrared welding processes\n- **General BC series solar cell string welding** - Any back contact cell technology utilizing glue or solder paste with ribbon interconnection\n\n### Applicable Production Scales\n\n- Solar panel production lines ranging from **5MW to 1GW** annual capacity\n- New factory setups requiring turnkey back contact module production equipment\n- Existing production line upgrades from conventional to back contact cell technology\n- Research and development facilities for back contact solar cell and module optimization\n\nThe machine supports cell dimensions from 166mm to 210mm with flexible string lengths up to 1,800mm, accommodating M6, M10, and M12 cell formats commonly used in modern high-efficiency back contact solar modules.\n\n## Warranty and After-Sales Service\n\n### Warranty Coverage\n\n- **One-year warranty** after successful installation, or 16 months from Bill of Lading date, whichever comes first\n- Machines must be operated by trained personnel after installation and training\n- Free maintenance services and necessary spare parts during warranty period (excluding consumables; courier costs borne by buyer)\n- If buyer's engineers cannot resolve issues during warranty, Ooitech will dispatch engineers to the buyer's facility (round-trip tickets, local transport, hotel, and food costs borne by buyer)\n\n### Warranty Exclusions\n\n- Damage from misuse, abuse, or unauthorized modification by parties other than Ooitech-authorized technicians\n- Equipment use inconsistent with the operation manual\n- Consumable parts are provided upon payment\n\n### Post-Warranty Support\n\n- Free online technical guidance and support continues after warranty expiration\n- Spare parts supplied at favorable prices\n- On-site engineer visits available with buyer covering travel, visa, accommodation, food, and labor costs per Ooitech standards\n\n## Contact Ooitech - Get a Quotation\n\n### Your Trusted Partner for Solar Panel Production Solutions\n\nOoitech, founded in 2013, is dedicated to providing turnkey solar energy solutions with over 10 years of experience in the PV industry and industrial laser applications. Our equipment has been exported to Poland, Hungary, Korea, Mexico, Egypt, Algeria, India, Saudi Arabia, Syria, Kazakhstan, and many more countries worldwide.\n\n**Ooitech turnkey solutions include:**\n\n- Supply 5MW to 1GW solar module production lines\n- Upgrade traditional PV lines to the newest MBB production lines\n- Factory construction consulting and facility layout design\n- Raw material sourcing guidance\n- Production procedure assistance and solar power station installation support\n\nFor pricing, technical consultation, or a customized production line proposal for the OSLB-1300 Back Contact Cell Welding Machine, contact our team today:\n\n- **Email:** [info@ooitech.com](mailto:info@ooitech.com)\n- **Phone:** +8618571646990\n- **WhatsApp:** +8615961592660\n- **Head Office:** Wuhan Yangtze River Center, Wuhan, China\n- **Website:** [www.ooitech.com](https://www.ooitech.com)\n\nWatch our solar panel production line videos and subscribe to our YouTube channel for the latest factory updates and equipment demonstrations:\n\n- **YouTube Channel:** [www.youtube.com/ooitech](https://www.youtube.com/ooitech)\n- **MBB Full Automatic Production Line Video:** [Watch Here](https://www.youtube.com/watch?v=uRS9sn94sIQ)\n\nDownload our resources:\n\n- **Product Catalogue:** [Download Catalogue](https://drive.google.com/file/d/1EWA3TV6hJb_cAUH6w0UENpRglAgq_Kzv/view?usp=sharing)\n- **Company Profile:** [Download Company Profile](https://drive.google.com/file/d/1yg9NLXzLOmPWriYScQZeM6ZfSZ8gcQ88/view?usp=sharing)\n\n## Related Items\n\n![SC-20P BC Cell Laser Cutting Machine](https://cdn.ooitech.com/static/upload/image/20260302/1772440338787287.webp)\n\n#### SC-20P BC Cell Laser Cutting Machine\n\n![Non-Destructive Solar Cell Laser Cutting Machine](https://cdn.ooitech.com/static/upload/image/20260323/1774252043927784.webp)\n\n#### Non-Destructive Solar Cell Laser Cutting Machine\n\n![SL-1000 Back Contact Cell Welder: 600 Cells/h](https://cdn.ooitech.com/static/upload/image/20260323/1774263750726273.webp)\n\n#### SL-1000 Back Contact Cell Welder: 600 Cells/h\n\n![IEC Certification Test Equipment: 0.1-10kV, 2600mm](https://cdn.ooitech.com/static/upload/image/20260327/2026032716200590.webp)\n\n#### IEC Certification Test Equipment: 0.1-10kV, 2600mm\n\n![C350-CQC EVA & TPT Strip Cutting Machine: 30-80mm](https://cdn.ooitech.com/static/upload/image/20260327/2026032714363679.webp)\n\n#### C350-CQC EVA & TPT Strip Cutting Machine: 30-80mm\n\n![CHT9980A PV Safety Tester: 8kV, 0.001kV Resolution](https://cdn.ooitech.com/static/upload/image/20260327/2026032763823477.jpg)\n\n#### CHT9980A PV Safety Tester: 8kV, 0.001kV Resolution\n\n![SC-10C Full Automatic Silicon Wafer Laser Cutting](https://cdn.ooitech.com/static/upload/image/20260324/1774340166130021.webp)\n\n#### SC-10C Full Automatic Silicon Wafer Laser Cutting\n\n![PV Ribbon Machine — Wire Drawing and Tinning Line](https://cdn.ooitech.com/static/upload/image/20260511/2026051111285937.webp)\n\n#### PV Ribbon Machine — Wire Drawing and Tinning Line\n\n![](/template/ooitech/assets/img/shape/06.png)\n\n![](https://cdn.ooitech.com/runtime/image/w800_h700_fitblur_v2_w800_h700_fitblur_v2_1757399770541443.webp)\n\n### Request A Quote\n\nAll uploads are secure and confidential.\n\n## We deliver expertise you can trust our service\n\nDirect-from-Factory Equipment.\n\n![](/template/ooitech/assets/img/icon/money-2.svg)\n\n### Cost-Effective Advantages\n\nWe deliver exceptional value, maximizing results while optimizing budgets for clients.\n\n![](/template/ooitech/assets/img/icon/staff.svg)\n\n### Our Experience Team\n\nOur skilled professionals specialize in innovative solutions and tailored strategies.\n\n![](/template/ooitech/assets/img/icon/certified.svg)\n\n### 15+ Years Industry Experience\n\nDeep expertise ensures reliable, trend-aware, and proven outcomes for success.\n\n![](https://cdn.ooitech.com/static/upload/image/20250910/1757477357667605.webp)\n\n![](https://cdn.ooitech.com/static/upload/image/20250910/1757477724911512.webp)\n\n![](/template/ooitech/assets/img/shape/06.png)\n\n## What Our Client Say's about us\n\nClient testimonials praise our deep understanding of their challenges, which leads to innovative solutions and strong ROI. Long-term collaborations—some over a decade—demonstrate their trust and satisfaction. Their success stories drive us to continually exceed expectations. [Know More **](#quote-form)\n\n![](/template/ooitech/assets/img/icon/quote.svg)\n\nA man with a big soul. Thank you very much for your visit Mr Wu. Thank you very much for the services provided in installing equipment and training my students. The kindest person and professional in his field\n\n![Jizzakh Polytechnic Institute](https://cdn.ooitech.com/runtime/image/w160_h160_fitblur_v2_2026041716444445.webp)\n\n### Jizzakh Polytechnic Institute\n\n![](/template/ooitech/assets/img/icon/quote.svg)\n\nthank you for ooitech's professional support and on time after service.\n\n![Diarra From Africa](https://cdn.ooitech.com/runtime/image/w160_h160_fitblur_v2_1784509010217979.webp)\n\n### Diarra From Africa\n\n![](/template/ooitech/assets/img/icon/quote.svg)\n\nThank you again so much again for the very big big help for improving and fixing the factory and also teaching the workers how to use the machines\n\n![Mark](https://cdn.ooitech.com/runtime/image/w160_h160_fitblur_v2_1757479675272137.webp)\n\n### Mark\n\nBIPV Philippines\n\n![](/template/ooitech/assets/img/icon/quote.svg)\n\nThanks to Ooitech for providing the fully automated production equipment—your installation and after-sales service have been excellent.\n\n![Amjad](https://cdn.ooitech.com/runtime/image/w160_h160_fitblur_v2_2026041720921238.webp)\n\n### Amjad\n\n![](/template/ooitech/assets/img/icon/quote.svg)\n\nThanks to Ooitech for providing highly suitable BC solar cell experimental equipment.\n\n![KTECH](https://cdn.ooitech.com/runtime/image/w160_h160_fitblur_v2_1776426122864564.webp)\n\n### KTECH\n\n## Our Latest News & Blog\n\n![TOPCon Solar Cell Manufacturing Process: Step-by-Step](https://cdn.ooitech.com/runtime/image/w320_h200_fitblur_v2_3fffaa885dcfbafc7d41439c979f3e14.webp)\n\n- [** ooitech](./topcon-solar-cell-manufacturing-process-a-complete-step-by-step-guide.html)\n- [** 3053](./topcon-solar-cell-manufacturing-process-a-complete-step-by-step-guide.html)\n\n### TOPCon Solar Cell Manufacturing Process: Step-by-Step\n\nTOPCon stands for Tunnel Oxide Passivated Contact. This guide covers the full TOPCon solar cell manufacturing process step by step: texturing, boron diffusion, tunnel oxide and polysilicon deposition, metallisation and testing.\n\n![Cosmic Solar Purchases 5MW Semi-Automatic Solar Panel](https://cdn.ooitech.com/runtime/image/w320_h200_fitblur_v2_2026041511844574.webp)\n\n- [** ooitech](./cosmic-solar-purchases-5mw-semi-automatic-solar-panel-production-line-from-ooitech-in-2014.html)\n- [** 1874](./cosmic-solar-purchases-5mw-semi-automatic-solar-panel-production-line-from-ooitech-in-2014.html)\n\n### Cosmic Solar Purchases 5MW Semi-Automatic Solar Panel\n\nIn 2014, Indian company Cosmic Solar purchased a 5MW semi-automatic solar panel production line from Ooitech, marking an important milestone in Ooitech\n\n![30MW BIPV Solar Panel Production Line](https://cdn.ooitech.com/runtime/image/w320_h200_fitblur_v2_2026041451376657.webp)\n\n- [** ooitech](./30mw-bipv-solar-panel-production-line-in-philippines-powered-by-ooitech.html)\n- [** 1834](./30mw-bipv-solar-panel-production-line-in-philippines-powered-by-ooitech.html)\n\n### 30MW BIPV Solar Panel Production Line\n\nOoitech delivers a complete 30MW BIPV solar panel production line to the Philippines, enabling local manufacturing of building-integrated photovoltaic\n\n![Tabber Stringer Machine Manufacturer: How to Vet One](https://cdn.ooitech.com/runtime/image/w320_h200_fitblur_v2_2026061020186378.webp)\n\n- [** ooitech](./how-a-tabber-and-stringer-works-and-how-to-choose-one-in-2026.html)\n- [** 1708](./how-a-tabber-and-stringer-works-and-how-to-choose-one-in-2026.html)\n\n### Tabber Stringer Machine Manufacturer: How to Vet One\n\nHow to tell a real tabber stringer machine manufacturer from a trading company, what an acceptance test must prove, and quotation red flags.\n\n![Solar Panel Production Line in Egypt: 4 Projects](https://cdn.ooitech.com/runtime/image/w320_h200_fitblur_v2_2026041439202098.webp)\n\n- [** ooitech](./egypt-first-full-automatic-solar-panel-production-line-from-china-ooitech-success-story.html)\n- [** 1645](./egypt-first-full-automatic-solar-panel-production-line-from-china-ooitech-success-story.html)\n\n### Solar Panel Production Line in Egypt: 4 Projects\n\nOoitech has delivered four solar panel production lines in Egypt since 2014. What Egyptian buyers ask, and how much space each capacity needs.\n\n![Triple-Junction GaAs Solar Cell — Structure and Gains](https://cdn.ooitech.com/runtime/image/w320_h200_fitblur_v2_ooitech-triple-junction-gaas-structure-cover.webp)\n\n- [** ooitech](./triple-junction-gaas-solar-cells-a-detailed-look-at-the-mainstream-space-photovoltaic-structure.html)\n- [** 1575](./triple-junction-gaas-solar-cells-a-detailed-look-at-the-mainstream-space-photovoltaic-structure.html)\n\n### Triple-Junction GaAs Solar Cell — Structure and Gains\n\nTriple-junction GaAs solar cell: how three stacked junctions split the spectrum, why efficiency passes 30%, and where cost limits concentrator use.\n\n![American Green Energy Company Purchases Ooitech](https://cdn.ooitech.com/runtime/image/w320_h200_fitblur_v2_2026032780265832.webp)\n\n- [** ooitech](./american-green-energy-company-purchases-ooitech-automatic-ribbon-cutting-machine-in-2014.html)\n- [** 1516](./american-green-energy-company-purchases-ooitech-automatic-ribbon-cutting-machine-in-2014.html)\n\n### American Green Energy Company Purchases Ooitech\n\nIn 2014, a green energy company from the United States purchased the Ooitech automatic ribbon cutting and bending machine for their solar panel production\n\n![SUNUSA Orders 5MW Semi-Automatic Solar Panel Production](https://cdn.ooitech.com/runtime/image/w320_h200_fitblur_v2_2026041512063502.webp)\n\n- [** ooitech](./sunusa-orders-5mw-semi-automatic-solar-panel-production-line-from-ooitech-in-2014.html)\n- [** 1379](./sunusa-orders-5mw-semi-automatic-solar-panel-production-line-from-ooitech-in-2014.html)\n\n### SUNUSA Orders 5MW Semi-Automatic Solar Panel Production\n\nIn 2014, Indian solar manufacturer SUNUSA purchased a 5MW semi-automatic solar panel production line from Ooitech to expand domestic solar module\n",
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