Avic Sanxin Co., Ltd. (stock code 002163, Q CELLS / JA Solar / Trina Solar and other brand suppliers)Hanzhou First Applied Mateiral Co. Ltd. (stock code 603806, Q CELLS / LonGi Solar / Trina Solar and other brand suppliers)Tongwei Solar Co., Ltd. (stock code 600438, solar cell shipment ranking NO.1 among China suppliers in 2017 )Jolywood Sunwatt Co., Ltd. (stock code 300393, Q CELLS / LonGi Solar / JA Solar and other brand suppliers)Jolywood Sunwatt Co., Ltd. (stock code 300393, Q CELLS / LonGi Solar / JA Solar and other brand suppliers)Zhejiang Renhe Photovoltaic Technology Co., Ltd. (Occupying around 25% of global market)Suzhou Tianshan New Material Technology Co., Ltd. (High global market occupation)1. Twice EL inspection to avoid inner cell fraction of the modules2. Power examination before packaging to avoid faulty welding and insufficient power3. Module frame corners are smoothly polished for safer using and installation4. Cables are fixed with tape to avoid constant knocking to the back sheet during delivery5. Fully automatic gluing, smoother and no spilling