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    "title": "PV Backsheet for Solar Modules – TPT/TPE Protective Film -  - Ooitech, the world's leading solar panel production line solutions provider, supply chain expert, solar panel making machine facotry",
    "description": "PV backsheet for solar modules – TPT, KPK, PVDF & transparent options. UV-resistant, electrically insulating multi-layer film for 25+ year module durability. Compatible with all cell types.",
    "keywords": "PV backsheet TPT, solar module backsheet TPE, KPK backsheet, fluoropolymer solar backsheet, PVDF PVF backsheet, bifacial transparent backsheet, UV resistant backsheet, electrical insulation backsheet",
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            "text": "PV Backsheet for Solar Modules – TPT/TPE Protective Film"
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            "level": 4,
            "text": "PV Backsheet for Solar Modules – TPT/TPE Protective Film"
        },
        {
            "level": 5,
            "text": "Stock: Available | 30~60 days manufacturing time"
        },
        {
            "level": 5,
            "text": "Category: Raw Materials"
        },
        {
            "level": 5,
            "text": "Tags: backsheet"
        },
        {
            "level": 5,
            "text": "Product Introduction"
        },
        {
            "level": 5,
            "text": "Technical Specifications"
        },
        {
            "level": 6,
            "text": "Standard Backsheet Properties"
        },
        {
            "level": 6,
            "text": "Layer Configuration"
        },
        {
            "level": 5,
            "text": "Technical Advantages"
        },
        {
            "level": 6,
            "text": "Superior Electrical Protection"
        },
        {
            "level": 6,
            "text": "Environmental Barrier Performance"
        },
        {
            "level": 6,
            "text": "Mechanical Durability"
        },
        {
            "level": 6,
            "text": "Thermal Management Benefits"
        },
        {
            "level": 6,
            "text": "Material Innovation"
        },
        {
            "level": 5,
            "text": "Product Applications"
        },
        {
            "level": 6,
            "text": "Utility-Scale Solar Farms"
        },
        {
            "level": 6,
            "text": "Residential Rooftop Systems"
        },
        {
            "level": 6,
            "text": "Bifacial Solar Installations"
        },
        {
            "level": 6,
            "text": "Building-Integrated Photovoltaics (BIPV)"
        },
        {
            "level": 6,
            "text": "Extreme Environment Deployments"
        },
        {
            "level": 5,
            "text": "Contact for Purchase"
        },
        {
            "level": 6,
            "text": "Get Premium Backsheet Solutions from Ooitech"
        },
        {
            "level": 2,
            "text": "Related Items"
        },
        {
            "level": 4,
            "text": "Solar Panel Sealant & Tape – Frame & Junction Box Sealing"
        },
        {
            "level": 4,
            "text": "PV Backsheet for Solar Modules – TPT/TPE Protective Film"
        },
        {
            "level": 4,
            "text": "Interconnection Busbar – Solar Cell String Current Collection"
        },
        {
            "level": 4,
            "text": "Solar Cells for PV Modules – PERC, TOPCon, HJT & BC Types"
        },
        {
            "level": 4,
            "text": "Solar Glass for PV Modules – Low-Iron Tempered, Anti-Reflective"
        },
        {
            "level": 4,
            "text": "Soldering Ribbon & Flux – PV Cell Interconnection Materials"
        },
        {
            "level": 4,
            "text": "Solar Junction Box – Bypass Diode, IP67, PV Module Output"
        },
        {
            "level": 4,
            "text": "Solar Panel Aluminum Frame – Anodized, G1/M6/M10/M12 Sizes"
        },
        {
            "level": 3,
            "text": "Request A Quote"
        },
        {
            "level": 2,
            "text": "We deliver expertise you can trust our service"
        },
        {
            "level": 3,
            "text": "Cost-Effective Advantages"
        },
        {
            "level": 3,
            "text": "Our Experience Team"
        },
        {
            "level": 3,
            "text": "15+ Years Industry Experience"
        },
        {
            "level": 2,
            "text": "What Our Client Say's about us"
        },
        {
            "level": 3,
            "text": "Jizzakh Polytechnic Institute"
        },
        {
            "level": 3,
            "text": "KTECH"
        },
        {
            "level": 3,
            "text": "Mark"
        },
        {
            "level": 3,
            "text": "Amjad"
        },
        {
            "level": 2,
            "text": "Our Latest News & Blog"
        },
        {
            "level": 3,
            "text": "VJ Solar India Adopts Ooitech Solar Panel Production Line in 2017"
        },
        {
            "level": 3,
            "text": "Breakthrough in Semi-Transparent Organic Solar Cells: High Thickness Tolerance Enables BIPV Revolution"
        },
        {
            "level": 3,
            "text": "Ooitech Maintains Full Operations During COVID-19 Pandemic, Continues Delivering Turnkey Solar Panel Solutions Worldwide"
        },
        {
            "level": 3,
            "text": "Tindo Solar Adopts Ooitech NDC Cell Cutting and Auto Bussing Solutions in 2021"
        },
        {
            "level": 3,
            "text": "Multiple Colombian Customers Adopt Ooitech Solar Panel Production Lines"
        },
        {
            "level": 3,
            "text": "Ooitech Supplied Solar Panel Raw Materials to Mexico's CONSTRUCTORES in 2015"
        },
        {
            "level": 3,
            "text": "SUNUSA Orders 5MW Semi-Automatic Solar Panel Production Line from Ooitech in 2014"
        },
        {
            "level": 3,
            "text": "Egyptian Solar Company Upgrades Production Line with Full Automatic Tabber Stringer in 2021"
        }
    ],
    "wordCount": 2252,
    "markdown": "# PV Backsheet for Solar Modules – TPT/TPE Protective Film -  - Ooitech, the world's leading solar panel production line solutions provider, supply chain expert, solar panel making machine facotry\n\n> PV backsheet for solar modules – TPT, KPK, PVDF & transparent options. UV-resistant, electrically insulating multi-layer film for 25+ year module durability. Compatible with all cell types.\n\n![PV Backsheet for Solar Modules – TPT/TPE Protective Film](https://cdn.ooitech.com/runtime/image/w800_h600_fitblur_v2_1774518934395196.webp)\n\n#### PV Backsheet for Solar Modules – TPT/TPE Protective Film\n\nPV backsheet for solar modules – TPT, KPK, PVDF & transparent options. UV-resistant, electrically insulating multi-layer film for 25+ year module durability. Compatible with all cell types.\n\n##### Stock: Available | 30~60 days manufacturing time\n\n##### Category: Raw Materials\n\n##### Tags: backsheet\n\n---\n\n---\n\n##### Product Introduction\n\nA photovoltaic (PV) backsheet is the sophisticated multi-layer film that forms the outermost protective layer on the rear side of solar modules. This critical component acts as the module's \"armor,\" appearing in white, black, or transparent variants to meet different application requirements. As a key barrier system, the backsheet safeguards internal components from environmental ingress while ensuring electrical safety throughout the module's 25+ year operational lifespan.\n\nDuring the lamination process, the backsheet is permanently bonded with EVA/POE encapsulants, solar cells, and glass to create an integrated weatherproof unit. This sophisticated composite material represents decades of polymer engineering advancement, combining multiple specialized layers to deliver comprehensive protection and performance optimization for modern solar energy systems.\n\n##### Technical Specifications\n\n###### Standard Backsheet Properties\n\n| Parameter | TPT Backsheet | KPK Backsheet | Coated Backsheet | Transparent Backsheet |\n| --- | --- | --- | --- | --- |\n| Structure | PVF/PET/PVF | PVDF/PET/PVDF | Coating/PET/Coating | Transparent Polymer |\n| Thickness | 300-350 μm | 300-350 μm | 250-300 μm | 300-400 μm |\n| Dielectric Strength | >1000V DC | >1000V DC | >1000V DC | >1000V DC |\n| Water Vapor Transmission Rate | <2 g/m²/day | <2 g/m²/day | <3 g/m²/day | <2 g/m²/day |\n| UV Resistance | >3000 hours | >3000 hours | >2500 hours | >3000 hours |\n| Tensile Strength | >150 MPa | >150 MPa | >140 MPa | >130 MPa |\n| Operating Temperature | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C |\n| Reflectivity (White) | >70% | >70% | >65% | N/A |\n| Light Transmission | N/A | N/A | N/A | >90% |\n| Service Life | >25 years | >25 years | >25 years | >25 years |\n\n###### Layer Configuration\n\n| Layer Position | Material Options | Thickness Range | Primary Function |\n| --- | --- | --- | --- |\n| Outer Layer | PVF, PVDF, Coating | 25-50 μm | Weather resistance, UV protection |\n| Core Layer | PET | 250-275 μm | Mechanical strength, electrical insulation |\n| Inner Layer | PVF, PVDF, Modified PET | 25-50 μm | EVA/POE adhesion, lamination compatibility |\n\n##### Technical Advantages\n\n###### Superior Electrical Protection\n\n- **High Voltage Insulation**: Provides robust electrical insulation for systems operating up to 1500V DC\n- **Personnel Safety**: Prevents current leakage to module frames and mounting systems\n- **System Reliability**: Maintains dielectric strength throughout 25+ year lifespan\n- **Partial Discharge Resistance**: Engineered to prevent electrical breakdown under high voltage stress\n\n###### Environmental Barrier Performance\n\n- **Ultra-Low WVTR**: Water vapor transmission rates below 2 g/m²/day prevent internal corrosion\n- **Chemical Resistance**: Resists degradation from ammonia, salt mist, and industrial pollutants\n- **UV Stability**: Withstands 3000+ hours of accelerated UV testing without degradation\n- **Temperature Cycling**: Maintains integrity through -40°C to +85°C temperature extremes\n\n###### Mechanical Durability\n\n- **Impact Resistance**: Protects against hail, debris, and handling damage\n- **Scratch Resistance**: Hard-coated surfaces resist abrasion during installation\n- **Dimensional Stability**: Minimal shrinkage or expansion under thermal stress\n- **Tear Strength**: High tear resistance prevents propagation of mechanical damage\n\n###### Thermal Management Benefits\n\n- **Temperature Reduction**: White backsheets reflect >70% of incident light, lowering module temperature by 2-3°C\n- **Power Output Enhancement**: Cooler operating temperatures improve module efficiency by 1-2%\n- **Bifacial Compatibility**: Transparent variants enable rear-side power generation\n- **Hot Spot Prevention**: Uniform thermal properties prevent localized overheating\n\n###### Material Innovation\n\n- **Fluoropolymer Technology**: TPT and KPK variants offer proven 30+ year field performance\n- **Eco-Friendly Options**: Fluorine-free coated backsheets reduce environmental impact\n- **Advanced Adhesion**: Optimized inner layers ensure permanent EVA/POE bonding\n- **Color Customization**: Available in white, black, and transparent for different applications\n\n##### Product Applications\n\n###### Utility-Scale Solar Farms\n\nLarge-scale solar installations require backsheets with exceptional long-term reliability and weather resistance. TPT and KPK fluoropolymer backsheets are preferred for their proven 30+ year field performance, ensuring minimal degradation in harsh outdoor environments. These installations benefit from white backsheets' thermal management properties, improving overall energy yield across thousands of modules.\n\n###### Residential Rooftop Systems\n\nResidential applications demand both performance and aesthetics. Black backsheets are increasingly popular for all-black module designs that blend seamlessly with modern architecture. These systems require backsheets with superior electrical insulation for safety, as modules are installed in close proximity to living spaces. Coated backsheets offer an cost-effective solution while maintaining the necessary 25-year warranty requirements.\n\n###### Bifacial Solar Installations\n\nTransparent backsheets enable revolutionary bifacial module technology, allowing power generation from both sides of the solar cell. These specialized backsheets are essential for ground-mounted systems with high albedo surfaces, floating solar farms, and vertical installation configurations. The transparent material allows 90%+ light transmission while maintaining all protective functions, increasing total energy yield by 10-30% depending on installation conditions.\n\n###### Building-Integrated Photovoltaics (BIPV)\n\nBIPV applications integrate solar modules directly into building materials such as facades, canopies, and skylights. These installations require backsheets with exceptional aesthetic quality, custom colors, and architectural compatibility. Transparent backsheets enable see-through solar windows, while colored variants match specific building design requirements.\n\n###### Extreme Environment Deployments\n\nDesert installations, coastal regions, and high-altitude locations present unique challenges requiring specialized backsheet solutions. Desert environments demand superior UV resistance and sand abrasion protection. Coastal installations require enhanced salt mist corrosion resistance. High-altitude deployments need backsheets capable of withstanding intense UV radiation and extreme temperature cycling.\n\n##### Contact for Purchase\n\n###### Get Premium Backsheet Solutions from Ooitech\n\n**Ooitech** specializes in providing complete solar panel production line equipment and materials, including high-quality backsheets for all module types. As your trusted partner in solar manufacturing, we offer comprehensive solutions from 5MW to 1GW production capacity.\n\n**Our Backsheet Services Include:**\n\n- **Material Supply**: Premium TPT, KPK, coated, and transparent backsheets\n- **Technical Consultation**: Expert guidance on backsheet selection for your specific application\n- **Production Line Integration**: Complete laminator and testing equipment for backsheet processing\n- **Quality Assurance**: EL testers and IV testers to verify backsheet performance\n- **Training Programs**: Comprehensive training on backsheet handling and lamination processes\n\n**Why Choose Ooitech?**\n\n- **Industry Expertise**: Specialized in G1, M6, M10, M12, MBB, PERC, TOPCon, IBC, ABC, HPBC module production\n- **Complete Solutions**: From EVA/TPT cutting machines to laminators and testing equipment\n- **Global Support**: Worldwide delivery, installation, and after-sales service\n- **Technical Resources**: Access our comprehensive catalog and video tutorials\n\n**Contact Information:**\n\n**Email**: [info@ooitech.com](mailto:info@ooitech.com) **Phone**: +86 18571646990 **WhatsApp**: +86 15961592660 **Head Office**: Wuhan Yangtze River Center, Wuhan, China **Website**: [www.ooitech.com](http://www.ooitech.com)\n\n**Resources:**\n\n**YouTube Channel**: [www.youtube.com/ooitech](http://www.youtube.com/ooitech) **MBB Production Line Video**: [https://www.youtube.com/watch?v=uRS9sn94sIQ](https://www.youtube.com/watch?v=uRS9sn94sIQ) **Company Catalog**: [Download Here](https://drive.google.com/file/d/1EWA3TV6hJb_cAUH6w0UENpRglAgq_Kzv/view?usp=sharing) **Company Profile**: [Download Here](https://drive.google.com/file/d/1yg9NLXzLOmPWriYScQZeM6ZfSZ8gcQ88/view?usp=sharing)\n\n**Subscribe to our YouTube channel** for the latest solar manufacturing insights and production line demonstrations. Contact us today to discuss your backsheet requirements and discover how Ooitech can enhance your solar module production capabilities!\n\n## Related Items\n\n![Solar Panel Sealant & Tape – Frame & Junction Box Sealing](https://cdn.ooitech.com/static/upload/image/20260327/2026032711586064.jpg.webp)\n\n#### Solar Panel Sealant & Tape – Frame & Junction Box Sealing\n\n![PV Backsheet for Solar Modules – TPT/TPE Protective Film](https://cdn.ooitech.com/static/upload/image/20260326/1774518934395196.webp)\n\n#### PV Backsheet for Solar Modules – TPT/TPE Protective Film\n\n![Interconnection Busbar – Solar Cell String Current Collection](https://cdn.ooitech.com/static/upload/image/20260327/2026032713037538.jpg.webp)\n\n#### Interconnection Busbar – Solar Cell String Current Collection\n\n![Solar Cells for PV Modules – PERC, TOPCon, HJT & BC Types](https://cdn.ooitech.com/static/upload/image/20260327/1774581692247238.webp)\n\n#### Solar Cells for PV Modules – PERC, TOPCon, HJT & BC Types\n\n![Solar Glass for PV Modules – Low-Iron Tempered, Anti-Reflective](https://cdn.ooitech.com/static/upload/image/20260326/1774514074283403.webp)\n\n#### Solar Glass for PV Modules – Low-Iron Tempered, Anti-Reflective\n\n![Soldering Ribbon & Flux – PV Cell Interconnection Materials](https://cdn.ooitech.com/static/upload/image/20260327/2026032717287347.webp)\n\n#### Soldering Ribbon & Flux – PV Cell Interconnection Materials\n\n![Solar Junction Box – Bypass Diode, IP67, PV Module Output](https://cdn.ooitech.com/static/upload/image/20260327/2026032739568544.jpg.webp)\n\n#### Solar Junction Box – Bypass Diode, IP67, PV Module Output\n\n![Solar Panel Aluminum Frame – Anodized, G1/M6/M10/M12 Sizes](https://cdn.ooitech.com/static/upload/image/20260327/2026032713454036.jpg.webp)\n\n#### Solar Panel Aluminum Frame – Anodized, G1/M6/M10/M12 Sizes\n\n![](/template/ooitech/assets/img/shape/06.png)\n\n![](https://cdn.ooitech.com/static/upload/image/20250909/1757399770541443.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/w800_h800_fitblur_v2_2026041716444445.webp)\n\n### Jizzakh Polytechnic Institute\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/w800_h800_fitblur_v2_1776426122864564.webp)\n\n### KTECH\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/w800_h800_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/w800_h800_fitblur_v2_2026041720921238.webp)\n\n### Amjad\n\n## Our Latest News & Blog\n\n![VJ Solar India Adopts Ooitech Solar Panel Production Line in 2017](https://cdn.ooitech.com/runtime/image/w800_h500_2026041671903509.webp )\n\n- [** ooitech](/vj-solar-india-adopts-ooitech-solar-panel-production-line-in-2017.html)\n- [** 60](/vj-solar-india-adopts-ooitech-solar-panel-production-line-in-2017.html)\n\n### VJ Solar India Adopts Ooitech Solar Panel Production Line in 2017\n\nIn 2017, VJ Solar India selected Ooitech solar panel production line to establish their solar module manufacturing facility, marking a key milestone in India's growing solar industry.\n\n![Breakthrough in Semi-Transparent Organic Solar Cells: High Thickness Tolerance Enables BIPV Revolution](https://cdn.ooitech.com/runtime/image/w800_h500_nopic.png )\n\n- [** 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68](/ooitech-maintains-full-operations-during-covid-19-pandemic-continues-delivering-turnkey-solar-panel-solutions-worldwide.html)\n\n### Ooitech Maintains Full Operations During COVID-19 Pandemic, Continues Delivering Turnkey Solar Panel Solutions Worldwide\n\nOoitech maintained full operations during the 2020 COVID-19 pandemic with all staff healthy, continuing to deliver turnkey solar panel production line solutions and raw materials to clients in Egypt, Italy, Syria, India, Poland, Peru, Mexico and more.\n\n![Tindo Solar Adopts Ooitech NDC Cell Cutting and Auto Bussing Solutions in 2021](https://cdn.ooitech.com/runtime/image/w800_h500_1776394385704834.webp )\n\n- [** ooitech](/tindo-solar-adopts-ooitech-ndc-cell-cutting-and-auto-bussing-solutions-in-2021.html)\n- [** 69](/tindo-solar-adopts-ooitech-ndc-cell-cutting-and-auto-bussing-solutions-in-2021.html)\n\n### Tindo Solar Adopts Ooitech NDC Cell Cutting and Auto Bussing Solutions in 2021\n\nIn 2021, Australian solar manufacturer Tindo Solar adopted Ooitech waterless non-destructive NDC cell cutting and fully automatic string bussing solutions to upgrade its solar panel production capabilities.\n\n![Multiple Colombian Customers Adopt Ooitech Solar Panel Production Lines](https://cdn.ooitech.com/runtime/image/w800_h500_2026042116141975.webp )\n\n- [** ooitech](/multiple-colombian-customers-adopt-ooitech-solar-panel-production-lines.html)\n- [** 64](/multiple-colombian-customers-adopt-ooitech-solar-panel-production-lines.html)\n\n### Multiple Colombian Customers Adopt Ooitech Solar Panel Production Lines\n\nSeveral Colombian manufacturers have deployed Ooitech solar panel production lines, strengthening local PV manufacturing capacity and supporting Latin America's renewable energy transition.\n\n![Ooitech Supplied Solar Panel Raw Materials to Mexico's CONSTRUCTORES in 2015](https://cdn.ooitech.com/runtime/image/w800_h500_2026041629646492.webp )\n\n- [** ooitech](/ooitech-supplied-solar-panel-raw-materials-to-mexicos-constructores-in-2015.html)\n- [** 65](/ooitech-supplied-solar-panel-raw-materials-to-mexicos-constructores-in-2015.html)\n\n### Ooitech Supplied Solar Panel Raw Materials to Mexico's CONSTRUCTORES in 2015\n\nIn 2015, Ooitech successfully delivered solar panel raw materials to Mexican company CONSTRUCTORES, supporting local photovoltaic module production in Mexico.\n\n![SUNUSA Orders 5MW Semi-Automatic Solar Panel Production Line from Ooitech in 2014](https://cdn.ooitech.com/runtime/image/w800_h500_2026041512063502.webp )\n\n- [** ooitech](/sunusa-orders-5mw-semi-automatic-solar-panel-production-line-from-ooitech-in-2014.html)\n- [** 512](/sunusa-orders-5mw-semi-automatic-solar-panel-production-line-from-ooitech-in-2014.html)\n\n### SUNUSA Orders 5MW Semi-Automatic Solar Panel Production Line from Ooitech in 2014\n\nIn 2014, Indian solar manufacturer SUNUSA purchased a 5MW semi-automatic solar panel production line from Ooitech to expand domestic solar module manufacturing capacity.\n\n![Egyptian Solar Company Upgrades Production Line with Full Automatic Tabber Stringer in 2021](https://cdn.ooitech.com/runtime/image/w800_h500_2026032361044444.webp )\n\n- [** ooitech](/egyptian-solar-company-upgrades-production-line-with-full-automatic-tabber-stringer-in-2021.html)\n- [** 72](/egyptian-solar-company-upgrades-production-line-with-full-automatic-tabber-stringer-in-2021.html)\n\n### Egyptian Solar Company Upgrades Production Line with Full Automatic Tabber Stringer in 2021\n\nAn Egyptian photovoltaic company upgraded its solar panel production line in 2021 by adopting a full automatic tabber stringer machine to boost manufacturing efficiency and output quality.\n",
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