Shenzhen Goldsuno Opto-electronic Techonology Co. Ltd is located at Shangxue Technology Zone in Longgang District of Shenzhen City. We established since 1995 as an metal tooling factory, and with more than 18 years developing, we are now a high–tech enterprise integrating R& D, production and selling of LED indoor lighting products, with more than 20 R&D engineers engaged in structure and driver design. Since 2009, we have obtained 12 patent technologies. LED down light series were UL, TUV/CE, SAA, RoHS approved.