LuoYang ZhiSheng Special Steel Ball Co., Ltd, founded in 1993, is specialized in producing AISI 52100 Chrome Steel Balls & AISI S-2 Rockbit Balls from 3/16" to 150mm. The grade of our products ranges from G10 to G200, which conform to ASTM/AISI and international standard like ISO, JIS &DIN. We can also manufacture steel balls according to customer's ***ailed technical requirements. Moreover, our balls have passed ISO 9001: 2000, SGS and D&B quality system certification.
Based on more than two decade...
|