Established in 1983, Changzhou Chang-Yu Chemical Co.,Ltd. is located at the Changzhou state-class High and New Technology Industrial Development Zone. It is near the Changzhou Station crossing of Hu-Ning express highway in the south and close to the Changzhou Yangtse Foreign Port. It is the Jiangsu Province star enterprise, the Jiangsu AAA level credit standing enterprise and the national advanced enterprise for exporting goods to earn foreign currency. The company concentrates the development, production and the sale of organic fine chemical products. After nearly 20 years hard working, the company invested in succession for establishing three subordinate companies Changzhou Chun-Gang Chemical Co.,Ltd. , Changzhou Chang-Hong Chem. & Tech. Developing Co.,Ltd. and the Changzhou Haidong International Trade Co.,Ltd., the sales revenue has passed 500 million Yuan.Our company has 48 million Yuan registration capital, nearly 150 million Yuan fixed asset and occupies an area of approximately 150,000 square meters. Now it has more than 600 staff, which including more than 100 specialized technical personnel and 8 senior engineers. Our company has more than 10 item of product patents production technique and our technical force is extremely strong. Our company's main products include Resorcin, 1-Naphthylamine, 1-naphthol, m-phenylene diamine, 1-naphthol-4-sulfonic acid(sodium salt), 1-Naphthylamine-4-sodium sulfonate, 1-diazo-6-nitro-2-naphthol-4-sulfonic acid, acid mordant black 11, etc. We have the import and export power and perfect sales network. Our product sells to places throughout the country, and exports to dozens of countries and areas.