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Our History Hangzhou Keying Chem Co., Ltd. Is dedicated to research, development, and production as well as specializing in trading of pharmaceutical, chemical and biological service and the products covers fine chemicals, polymers, food / feed additives, APIs, pesticides, dyes and pharmaceutical intermediates. Our Product Fine chemicals, polymers, food/feed additives, APIs, pesticides, dyes and pharmaceutical intermedaites. Production Equipment Production workshop, R&D center, quality inspection center, and sewage treatment factory, etc. Production... [Details] |