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ABOUT US HANGZHOU SUNS ELECTRONIC MATERIALS CO.,LTD. The company is a science and technology incubation enterprise of Hangzhou Xiacheng science and Technology Bureau. The company has its own factory, specializing in the research and development and production of medical fine chemical products and medical polymer materials. —————————————————————————————————————————————————————————————————————————————— ![]() ![]() ![]() ![]() |