Shandong Huamin Steel Ball Joint-stock Co., Ltd. was founded on May 26, 1986, which has been 30 years. It belongs to private joint-stock enterprise in Zhangqiu City, Shandong Province. Now there are 296 employees, including 71 R&D engineering technicians. At present, Huamin covers an area about 161,333 square meters, with building area of 70,000 square meters. The main products include Grinding Forged Ball, Grinding Bar, Casting Iron Ball, Grinding Cylpebs, Carbon Steel Ball and so on. At the same time, Patented Automatic Grinding Ball Production Line and Automatic Grinding Bar Production Line are researched and developed by ourselves, which has reached advanced level in the world. Now there are two production areas, with 15 production lines of different products, and the annual production capacity can be 150,000 tons. Our company has the self-management import and export rights, and the total assets are more than RMB 300 Million Yuan. 60% products are mainly exported to the famous mining companies in Chile, South Africa, Ghana and more than 30 countries and regions.