Chongqing Ruiyanchen Technology Co., Ltd. manufactures automotive gears, shafts and transmission synchronizer components in Qijiang, Chongqing, China. Our products serve transmission, engine and chassis applications. We support batch production based on customer samples.Gears, shafts and synchronizer componentsOur product range includes transmission gears and shafts, synchronizer cones, sliding sleeves, synchronizer rings, synchronizer bodies, sun gears and planetary gears. We also produce gears for engine and chassis applications.Manufacturing capabilit···