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    PV Backsheet for Solar Modules – TPT/TPE Protective Film

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    What Our Client Say's about us

    Client 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

    Thanks to Ooitech for providing the fully automated production equipment—your installation and after-sales service have been excellent.

    Amjad

    Amjad

    A 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

    Jizzakh Polytechnic Institute

    Jizzakh Polytechnic Institute

    Thank 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

    Mark

    Mark

    BIPV Philippines

    Thanks to Ooitech for providing highly suitable BC solar cell experimental equipment.

    KTECH

    KTECH

    Our Blog

    Our Latest News & Blog

    TOPCon Four-Cut Cells: How Cutting a Cell Into Four Increases Power Output
    2026-06-25 14:37:51

    TOPCon Four-Cut Cells: How Cutting a Cell Into Four Increases Power Output

    A technical deep-dive into TOPCon four-cut (quarter-cut) cell technology in 2026: the physics of current reduction, edge passivation, product matrix comparison, and the three-cut versus four-cut debate.

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    Ooitech Maintains Full Operations During COVID-19 Pandemic, Continues Delivering Turnkey Solar Panel Solutions Worldwide
    2026-04-16 19:56:56

    Ooitech Maintains Full Operations During COVID-19 Pandemic, Continues Delivering Turnkey Solar Panel Solutions Worldwide

    Ooitech 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.

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    What Is TOPCon Solar Cell? A Complete Guide to Tunnel Oxide Passivated Contact Technology
    2026-06-24 18:03:25

    What Is TOPCon Solar Cell? A Complete Guide to Tunnel Oxide Passivated Contact Technology

    A comprehensive guide explaining what TOPCon solar cells are, how tunnel oxide passivated contact technology works, its advantages over PERC, the manufacturing process, and future development trends.

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    30MW BIPV Solar Panel Production Line in Philippines Powered by Ooitech
    2025-08-05 18:22:56

    30MW BIPV Solar Panel Production Line in Philippines Powered by Ooitech

    Ooitech delivers a complete 30MW BIPV solar panel production line to the Philippines, enabling local manufacturing of building-integrated photovoltaic modules. Discover the full turnkey solution including equipment, training, raw materials, and after-sale

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    Understanding Quarter-Cut Solar Modules: The Power-Saving Edge and the Hidden Trade-offs, Explained by I² Loss
    2026-07-15 09:57:24

    Understanding Quarter-Cut Solar Modules: The Power-Saving Edge and the Hidden Trade-offs, Explained by I² Loss

    A plain-language breakdown of how quarter-cut solar modules cut resistive loss through the current-squared law, where those savings really come from, and the busbar cost trade-offs that cap the real-world gains.

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    Ooitech Attends First Perovskite and Tandem Cell (Central China) Industry Forum in Wuhan
    2026-06-12 10:08:01

    Ooitech Attends First Perovskite and Tandem Cell (Central China) Industry Forum in Wuhan

    Ooitech joined the first Perovskite and Tandem Cell (Central China) Industry Forum in Wuhan, gathering industry leaders to discuss perovskite technology development and market prospects.

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    33.25% Efficiency, 96% MPPT Retention After 1000 Hours: All-ALD SnOx/AZO Bilayer Suppresses Interface Reactions in Perovskite/Silicon Tandems
    2026-07-13 23:50:39

    33.25% Efficiency, 96% MPPT Retention After 1000 Hours: All-ALD SnOx/AZO Bilayer Suppresses Interface Reactions in Perovskite/Silicon Tandems

    An all-ALD SnOx/AZO bilayer decouples charge extraction from physical blocking, delivering 33.25% tandem efficiency and 96% MPPT retention after 1000 hours of continuous illumination.

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    TOPCon Front-Film SiNx Wins Big: 3-4W More Module Power Than Gradient Film
    2026-07-13 23:54:15

    TOPCon Front-Film SiNx Wins Big: 3-4W More Module Power Than Gradient Film

    A counterintuitive TOPCon production line case: gradient SiNx film wins at cell level but pure multilayer SiNx delivers 3-4W more module power, explained through a 2019 PERC anti-reflection coating study.

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