Shengyi is one of the leading CCL manufacturers in China, the only one in Dongguan with a R&D center which has achieved national level recognition. Shengyi currently manufactures FR-4, CEM-1, CEM-3 and Prepreg, among other advanced products. Paramount and Photo Chemical Systems engage in the sourcing and distribution of CCL and PCB materials, offering high quality products, stocking options, and technical support to PCB manufacturers in the United States. (less)