Shangyu Pier Steel Ball Co., Ltd. was established in 1993 with RMB100,000 of funds and a 100 square meter factory. After fifteen years of growth, we now have total capital worth RMB30 million, and boast facilities covering 6,600 square meters. Specializing in the manufacture of steel balls in 440C, 304, 316L, 420 and 430 materials, we can also supply titanium balls, polished balls and non-standard steel balls.Manufacturing products according to the GB308-89 standard, we are capable of offering specifications between G10 and G100. Guaranteed to be of excellent quality, these products are now...