... and our registered capital is 600,000 Euros. Our factory area is over 25,000 square meters, and the ... HRC)HRC50-55ApplicationBicycle, bearing, pulley, slide, handcraft, shelf, luggage, hardware, grinding mediaStandardGB/T-308-2002, GB/T1148-93Matched StandardDIN, JIS, ASMECertificationISOPackingOily ... , ChinaDeliveryWithin 30 days or confirmed while placing order Grinding carbon steel ball and shot