We are good at engineering and manufacturing spline shaft , 20 years of experience in this field,with tight tolerance(material&heat treament, tooth profile,tooth trace , concentricity,roughness...) ,perfect runout gear long life noiseless running in various machinery, coupling,geared motor,reducer,agricultural machinery, construction machinery,chemical machinery,packing machinery,vehicle,wind-driven generator,hydraulic pump,hydraulic motor. We are with professional engineering and technical capabilities, powerful supply capacity, skilled logistics services, and costantly quality improving , IATF16949 (TS16949)/ISO9000 quality system running effectively in our workshops, which is the guarantee for us to provide customers around the world , with cost-effective products, direct or indirect we are supplier to wellknown OEM brands.