... 2)high quality assurance 3)steel shaft as per customer's request Product Gear shaftsCertificateISO9001 :2000MaterialCarbon,alloy or stainless ... processed forgings according to customs requirements, such as forging shaft, forging rings, forging flange, gear shaft, gear rings, cast forgings, etc., especially there are ... system will conduct throughout the entire production . Gear shafts - speed reducer