ISO 9001 certified Sprocket ManufacturerExporting sprockets to Europe and America Market more than 10 years.Sprocket: (Pinones)DIN standard: Sizes : 06B-32B.ANSI standard : Sizes: 25-200.Chain: (Cadenas)DIN standard : Sizes: 06B-72B.ANSI standard : Sizes :25-240.We could also offer you Pulleys (Poleas) .Gears. etc.Any enquiry, please contact me.Best regards.Jack ZhouZhengzhou ZhiYuan Imp & Exp. ltd .China 30.NongYe Road, Zhengzhou, Henan, China 450000 TEL: 86-371-65851882 FAX : 86-371-65851069 E-mail:***** Web: *****