Jiangxi Hengjiu Chain Transmission Co., Ltd, the superior motorcycle chain factory of Hengjiu Machinery Group since from 1953. There are about 250 employees with monthly out put 800000mtrs motorcycle chains. We have best molds and 6 advanced automatic production lines. *Continuously high speed precision punching machines, allows pitch dispersion ±0.02mm and inner hole light band ≥85% *Automatic mesh belt conveyor furnace keep plate hardness between HRC42-45 and stablize surface hardness of Bush&Pin at HV700 *Latest automaticly assemble line with regular plate delivery and holes position feeding. *Carbon sulfur analyzer, meteallurgical microscope and high frequency fatigue test facilities to supervise & maintain quality of finished chains. *Quality standard for chain wear elongation 1.5% after 20000kms and 4 million circles fatigue test result. Continiously we keep striving to improve product’s performance. It is our target to keep the wear enlongation controls within 1.5% after 25000kms and chain meets 6 million circles fatigue test.