Zhengzhou ZhengShi Chemical Co.,Ltd is a hi-tech enterprise specializing in the research, development and production of chemicals. Basing on an experienced work team, ZhengShi is working hard on the research , development and production of agricultural chemicals, medicine, flavor, essence, pigment, oily dyestuff, food chemicals and biochemicals, the standards are very strict. In past several years, Zhengshi has experienced great development and obtained outstanding achievements: 98％of DA-6 t...
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