Hangzhou yinhu chemical Co., Ltd. is a high-tech company that is engaged in researching, manufacturing, and trading of chemical intermediates, cosmetic auxiliary agents, oil field chemicals, water treatment chemicals, paper-making chemicals, antiseptic agents, and auxiliary agents for dyeing. It was formerly the hangzhou branch of Beijing oil field chemical company, a company which is under the China petroleum and natural gas group Co., Ltd. Approved as a high-tech company by the scientific bureau of zhejiang province in 1995, hangzhou yinhu chemical has developed many new products and won various scientific and technologic rewards from the government. In addition, hangzhou yinhu chemical has frequently taken many projects organized and planned by the scientific bureaus of the province and the nation. Furthermore, in terms of human resources, over 35% of the company's personnel are managers and over 15% are technicians. Next to the prestigious zhejiang university and close to the west lake, the company's headquarter building is located in hangzhou high-tech development zone with convenient transportation. Currently, the company has branch offices in guangzhou and shandong.