Zhejiang Sanmen Tenglong Chemical Co., Ltd., taking shape in March of 2001, is located in Sanmen Gulf of Zhejiang province and occupies 150 mu. There are 280 staff members in company including 25 members with middle or advanced technic titles. Hills and sea are around company, and villages are 4 km away from here,so our company is an indeal productive place for chemical industries.

4.5 km away from county and 10 km away from the entrance to Yong-tai-wen speedway, company has all the conditions necessary for the construction of a chemical plant.

Company invested 23 million RMB in the first phase of construction which occupies 50 mu area and constructed over 2,5000 square meters of workshop. The sale network covers all round the country. And the constructed testing room and labouratory now come into operation.

The main products are Ethyl benzoyl acrylate,3,5-Dihydroxytoluene, which are white crystal powder and belong to fine chemicals for medicine. Both of them can be used for the synthesis of β-lactamand antibiotic medicines such as sauacillin,cafoperazone, cefradine, cefsulodin sodium and hydroxyl EPCP. As a broad-spectrum antibiotic anti-inflammation medicines and used widely for injectiont or be taked orally, they are used for the therapy of stomach and duodenum ulcers.

The development of amprolium hydrochloride has come into pilotscale experiment, which is mainly used for anthelminthic medicine.