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handong 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 260 employees, including 71 R&D engineering technicians. At present, Huamin covers an area about 160,000 square meters, with building area of 70,000 square meters. The main products include Grinding Forged Ball, Grinding Rod, Liner, Casting Iron Ball, Grinding Cylpebs, Carbon Steel Ball and so on. At the same time,...
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