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Shenzhen Gang Tongxin Opto-Tech Co.，Ltd is an all-round high-tech enterprise that involved with R & D, production, sales and service. Through the effort of the whole company, it has became one of the leading & professional manufacturer which mainly produces LED lighting application products. Meanwhile, it has perfect management、advanced sales network and after service system . Furthermore, the company serves its customers guided by the spirits of customers paramount, quality first with the excellent self-visualization. The Optical Division of factory integrate R & D, manufacturing, sales as an unit, mainly dedicated to white, blue, green light with high-brightness and high-performance, high-power and low-power LED's R & D and manufacturing. In addition .....