a Series Heavy Duty Series Roller Chains Wuyi Shuangjia Chain Co., Ltd. Base Info Usage:Transmission ChainMaterial:AlloySurface Treatment:PolishingFeature:Heat ResistantChain Size:1,2"*11,128"Structure:Roller ChainTrademark:shaungjiaOrigin:Zhejiang JinhuaHS Code:73151190 Description Pre:a Series Roller Chain (triplex) Next:Stainless Steel Roller Chains Suitable for Corrosive Conditions