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Zhangjiagang free Trade Zone Kaida International trade Co., LTD., formerly known as Zhangjiagang Asia Chemical Co., LTD., has been engaged in the production and research of this product for more than 10 years and has rich experience. The company's office is located in Guotai Financial Square, Zhangjiagang City, Jiangsu Province, has its own physical factory and storage warehouse, and has cooperation with a number of production factories, is a production and sales of pharmaceutical and pesticide intermediates operating company. The main products are right camphor sulfonic acid, left camphor sulfonic acid, mixed camphor sulfonic acid, uracil, thymine, methyl magnesium chloride and other products production, sales, import and export trade.