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