Gold Index: 206
Hebei goldpro gangqiu [China (Mainland)]
Business Type:Manufacturer City: Handan Province/State: Hebei Country/Region: China (Mainland)
goldpro grinding steel balls
GN
Production process: Raw materials-heating-forged or rolling into a ball--heat treatment-inspection-packing- storage Heat trea
2014-04-01
goldpro grinding steel ball
Specification: Diameter: 20 to 150mm Near surface hardness: more than 62 HRC Core hardness: more than 55 HRC Chemical