... &wear resistance 5. Fast delivery ADVANTAGE OF COMPANY:1.We are one of the leading manufacturer in steel ball industry ... , machine parts, hardware handles, etc.CHARACTER OF PRODUCTS:1.The Grade of our products is from G10 to G10002.The ... , shelf, luggage, hardware, grinding mediaStandardGB/T-308-2002, GB/T1148-93Matched StandardDIN, JIS, ASMECertificationISOPackingOily packing in pouch packing,plastic ...