Taizhou Jiaojiang Sihai Machinery Co., Ltd., located in Jiaojiang District, Taizhou City, is a company specializing in design, manufacture and service of speed reducers and stepless speed variators. Ever since establishment, we have been persistent in pursuing technical innovation, and advancing the technology of our products while maintaining our strict quality controls. It is for these reasons that the Chen Xin brand has enjoyed such successful domestic sales. Our main products are our ...