1.ANSI sprocket type B 2.Available in any size and grade 3.OEM welcomed 4.Application:transmission part and machinery 1. Business type: sprocket manufacturer& exporter2. Main market: Southeast Asia, North and South America, Europe, Oceania, Middle East, Africa3. Manufacturing method: forged or welded, lathe, hobbing, high frequency quenching,4. Material: C45, A3, cast iron, stainless steel5. ...