Steel Ball manufacturer / supplier in China, offering S-2 Tool Steel Balls (ROCKBIT) Used in Well Drilling, 82.55mm AISI 52100 Chrome Steel Ball/Bearing Ball, S-2 Tool Steel Balls (ROCKBIT) Used in Oil Filed Drilling and so on.
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 detailed technical requirements. Moreover, our balls have passed ISO 9001: 2000, SGS and D&B quality system certification.