Zibo-Zengrui Chemical Co., Ltd. is located in famous chemical city---Zibo, Shandong province. The company does well in fine chemical, with super researching group, better technology, advanding mechenism. The main product is in the intermediate field of medicine, agrochem and dyes. The main products are: trans-1, 3-dichloro propene with over 98% purity. O-3-chloro-2-propenyl-hydroxylamine with over 98% purity, mostly used in synthesis of herbicides: clethodim, etc. Sodium 3, 5, 6-trichloropyridin-2-ol with over 85% purity, one main intermediate for synthesizing several herbicides, fungicides, and insecticides, O-O-diethyl-O-3, 5, 6-trichloro-2-pyridyl phosphorothioate. And the company is now selling recovering phosphoric acid( with 50-60% purity), a little brown-color liquid.