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Greater efficiency, durability spur R&D in solar panels line

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Roofing underlayment

Companies are procuring raw materials overseas to improve performance of new releases.


  • Better performance: China suppliers of solar panels are procuring silicon cells from Germany to use in upcoming units. Doing so can raise power transfer efficiency to 17.5 percent, which is 1 percent higher than locally made products.
  • Sturdier designs: Stainless steel is also adopted for the frame as it can withstand strong winds better than aluminum alloy. Some models also utilize glass thicker than 3.5mm.

Roofing materials

    Roofing underlayment


    Acever Electronics Shenzhen Co. Ltd
    Model: Acever_SP05
    Description: Polycrystalline; 20W maximum power; 18V; 1.12A; aluminum alloy frame; 3mm-thick glass; 500x420x25mm; TÜV, CE, IEC

    Roofing underlayment

    Generpower (Shanghai) Co. Ltd
    Model: GPSPP-250W-M
    Description: Monocrystalline; 250W maximum power; 35V; 7.14A; aluminum alloy frame; tempered glass; 1,580x990x50mm; CE

    Roofing underlayment

    Huangshan Kinguo New Energy Technology Co. Ltd
    Model: KGM280-72P
    Description: Polycrystalline; 280W maximum power; 36V; 7.78A; clear, anodized, silver aluminum alloy frame; 3.2mm-thick tempered, low-iron glass; 1,957x992x50mm; TÜV

    Roofing underlayment

    Jieyang Zhongcheng Group Co. Ltd
    Model: ZCM5-72P-195W
    Description: Monocrystalline; 195W maximum power; 36.9V; 5.29A; aluminum frame; 1,580x808x35mm; TÜV, MCS, CE, CEC

    Roofing underlayment

    Zhejiang NAC Gifts & Home Products Dept
    Model: GFP-20
    Description: Polycrystalline; 20W maximum power; 18V; 1.12A; aluminum alloy frame; 3.2mm tempered glass; 555x355x25mm; TÜV, CE, IEC

    Roofing underlayment

    Zhejiang University Sunny Energy Science & Technology Co. Ltd
    Model: ZDNY-240P
    Description: Polycrystalline; 240W maximum power; 30.2V; 8.10A; aluminum frame; tempered low-iron glass; 1,650x992x45mm; CE, RoHS, TÜV, MCS, UL

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