Solid ring B174N for Schlafhorst autocoro spare parts 1.Teeth type:OK74,OK61,B174 2.Life:3-4 years 3.17 years experiences Solid ring B174N for Schlafhorst autocoro spare parts JINQIAO spinning machinery parts manufacturing co.,ltdEstablished in 1996,as a professional manufacturer of rotor spinning machine spare parts-clothing ring and rotor cup,JINQIAO has applied itself to produce high quality ...