Handan City Constant transmission Machinery Co. http://www.mhlianzhouqi.com/ specializes in industrial couplings, pump couplings, rigid couplings, clamp coupling, drum gear coupling, Elastic Coupling couplings, diaphragm couplings and other related transmission product design and production and marketing. In recent years, the company's various products, particularly in the plum-shaped flexible coupling (referred Plum coupling) based products, sold in all provinces and autonomous regions, customers receive praise, constant force transmission is excellent in Hebei Province Plum coupling manufacturers.