... after sales services YS GEARA.We are professional gear manufacturer,specializing inmotorcycle gear,diesel engine gear and the gear sets for generalmachine.B.We have obtained ... Rogerdubius,Tianyi,Jincheng etc.E.Our leading product is CG125 gear set,supply abilityabout300,000PCS per month.F.Customized package is ... Website:www.yongshan.comTelephone:0086-023-68261079Fax:0086-023-68231079 DIESEL ENGINE GEAR