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LONGT LIGHTING GROUP has been one of the industry leaders due to providing high-quality products to clients and it is very possible for the company to achieve a greater advancement in the future. After years of special research and development, the products developed successfully break through the bottleneck of the pain points. We strictly stick to the concept of scientific design, which contributes to the unique appearance and easy-to-use performance of our Lighting engineering, lighting products. Also, we never use inferior raw materials and ensure they are all tested by our QC inspectors, thereby, guaranteeing Solar Cells quality. We believe that our product with so many advantages can bring benefits to all customers.

Place of OriginChinaTypePERC
Cell Efficiency19thickness175/180)+20/-10μm
TTV≤27μmLine marks≤ 13μm
Warpage≤ 40μmSide width156.75 ±0.25mm
Straight angle90° ±0.2°Chord length12.03±0.7mm
Right angle8.5±0.5mmDiagonal210±0.25mm
Crackedno

Products Description
Wafer size
156.75*156.75mm
158.75*158.75mm
166*166mm
Thickness
(175/180)+20/-10µm
(175/180)+20/-10µm
(175/180)+20/-10µm
TTV
≤27 µm
≤27 µm
≤27 µm
Line marks
≤27 µm
≤ 13µm
≤ 15 µm
Warpage
≤ 40µm
≤ 40µm
≤ 40µm
Side width
156.75 ±0.25mm
158.75 ±0.25mm
166 ±0.25mm
Straight angle
90° ±0.2°
90° ±0.2°
90° ±0.2°
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They are all manufactured according to the strictest international standards. Our products have received favor from both domestic and foreign markets.
They are now widely exporting to 200 countries.

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