Product Description CHOHO Chain No.P/mmh2/mmW/mmb1/mm d4/mm CA550F1941.4020.2079.4019.8010.30CA550HDF541.4020.20102.1019.0510.Abbreviation: CHOHO Industry. √ HangZhou CHOHO Industrial Co., Ltd. was founded in 1999. Has become the leader of chain system...