Zhejiang Chengtai Chemical Machinery Co., Ltd. is a joint stock company that is reformed from Hangzhou Chemical Machinery Factory. It is situated in Tianzihu Industrial Park, Anji County, Zhejiang Province. It occupies an area of more than 100mu, with building area of 30,000 square meters. There are more than 190 employees, and over 50 of which are engineering technicians, and over 30 are welding workers with work permits.