Changshan County Hongyun Chemical Co.,Ltd. is located in Eco-Industrial Park District, Changshan County. Our enterprise is a private enterprise engages in the production of pharmacy , pesticide , dye intermediates. The enterprise covers an area of 53aches, the product is well known in Organic chemical market and is credit both at home and abroad. There are 140 workers, 35 of them are technologists. There are 6 kinds of products varieties and the annual productivity is 5000Tons. Among them the pesticide intermediates - 3,4-dichloroaniline is 2000tons/year, S,S,S-tributyl phosphorotrithioate is 500t/year. Pharmacy intermediates--2,6-Dichloro-5-Fluoro nicotinic acid is 1000tons/year, 3,4,4'- Trichlor-sym-diphenylurea(TCC)500ton/year, Dye intermediates - benzothiazole series is 1000ton/year. The equipments are completed, and the test technology is advanced. The company has passed the certifications with ISO9001-2000 Quality Management System. At the same time, it has built cooperation with Zhejiang Province Chemical Research Institute and Zhejiang Industry University to research and develop new products.