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. 

Based on more than two decades of continuous efforts and development, our plant, ZHISHENG, has become the leading domestic facility which can supply high precision steel balls with complete specifications. Meanwhile, Yusion Industrial Co., as our exclusive foreign trade company, is professional at before & after sales service. 

Taking" SUPPLYING QUALITY PRODUCT AT THE BEST VALUE" as our ultimate goal, all the staff from ZHISHENG and YUSION work hard together in order to meet customers' satisfaction and also make contribution to the development of bearing industry. Whenever you have demand for steel balls, just send your inquiry directly to us. Pls be assured your order will arrives when you expect it.