Haimen City Mingzhu Steel Ball Co., Ltd.

Haimen City Mingzhu Steel Ball Co., Ltd. is a professional producer of precision steel balls in China. The foundation of the company dates back to almost 30 years. Thanks to the wide experience, we keep providing high-quality steel balls with the good service to meet the requirement of our customers. Besides the domestic market, our steel balls also export to many countries like USA, Korea, Italy, Germany, Latin America etc. We obtained the Certificate of Quality Management systems ISO9001:2008 and Quality Management System specification for the automotive industry ISO/TS 16949:2009. Investment in R & D is also attached great importance. Every year, part of revenue is spent in technology innovation, by now 11 national utility patents both for steel ball technics and manufacturing machine have been granted. We specialize in manufacturing steel balls Chrome steel balls (100Cr6/100CrMn6 etc.) Stainless steel balls (440C/420C/304/316 etc.) Carbon steel balls (1015/1010 etc.) ranging from 1/8 to 1-1/2, complying with Standards AISI, ASTM, DIN, JIS, NF, BS. Customized requirements can be asked under special orders as well.We are getting ready for the challenge of gaining the satisfaction of all customers through a continuous improvement of our products and service.