Founded in July 1992 and approved by the National Bureau of Petroleum and Chemical Industry, Zhejiang Zhong Shan Chemical Industry Co., Ltd. is an enterprise fixed for producing sanitary insecticides and pesticides, It mainly produces and sells the agricultural herbicides, sanitary insecticides and synergist for sanitary pest-killing. At present with its complete varieties and specifications in China,the company produces Triazine kinds agricultural herbicides, including Ametryn Prometryne Simetryn Simazine and Atrazine row powders and all kinds of preparations. Ametryn a product first developed in China by the company. It also has been listed a new, stress and national grade confirmed by The Ministry of foreign trade and economic cooperation department The Ministry of Science and Technology The state administration of Taxation of China The National Quality & Technique Surprise Bureau and