Hangzhou Hetd Machinery CO., Ltd is a well-known specialized manufacturer and supplier of transmission components. With years' experience, it mainly exports full ranges of HETD® branded CHAINS and SPROCKETS. The CHAIN range covering Roller Chains, Conveyor Chains, Agriculture Chains, Bicycle Chains. Motorcycle Chains, Anchor Chains, PIV Chains, Falt-Top Chains, Benging Plate Roller Chains, Silent Chains, Leaf Chains, Hollow Pin Chains, Stainless Steel Chains, Nickle-Plates Chains and Nonstandard Chains. The series of SPROCKETS including Standard Sprockets, Taper Lock Sprockets, QD Taper Lock Sprockets, Finished Bore Sprockets, Tension Sprockets, Weld On Hub Sprockets, Motorcycle, Bicycle Sprockets, Pulleys, Gears and Series of Taper Bushes, Couplings, Bearings and Shaft Collars. And it also exports V-belts, Conveyor Belts, Speed Reducers and Motors etc. All products manufactured according to ISO, DIN, ANSI, JIS or BS.