YunCheng Global Steel Ball Factory was founded in 1980, covers an area about 10,000 square meters and employs 228 people. Factory mainly produce various materials of balls, and our products have been in a leading position in this area. Product output is over 8,000 tons and has passed SGS test. Global has modern production equipment, abundant technical info, advanced scientific quality and management systems, as well as with a number of highly qualified staff members. The products ...