86-21-61277088
2/F, Bldg. 26, No. 599, Zhongxin Rd., Dagang Town, Songjiang Dist., Shanghai, China (Mainland)
high power white 50 watt led chip from professional manufacturer, US $ 25 - 35 / Piece, Shanghai, China, QW-JR, QW-JR50W-BW.Source from Shanghai Qinwang Opto Co., Limited on Waimaotong.com.