The specialties: high hardness, no breakage, good wear resistance, even wearing etc. Shandong Huamin Steel BallJoint-stock Co. LTD. is one of the largest manufacturers and exporters forgrinding steel ball and decorative wrought iron products in China, the annual production outputis 100,000 metric tons. Our products are mainly exported to USA, Canada, Chile, South Africa, Italy,Greece, Korea and ...