1.Size: 0.5mm-3mm( according to clients' requirement ) 2.Hardness: 62-65 Grade: G5-G500 3.Certificate:ISO-9001, ISO-14001, TS-16949 4.Feature: Good wearing, excellent surface quality and high hardness. 5.Application: Bearing, ball screw, linear motion guide, automotive parts, chemical, food processing, ink and paint grinding, caster wheel, slide rail bicycle and car.
QIANRUN is a precision steel balls manufacturer,which is responsible for providing customers with the highest quality products and solutions for non-standard ball. Q.R. is also researching and developing precision steel ball equipments.
HRT is a branch of QIANRUN, which is responsible for customer communication, like quotation, technical support, after-sales service.
Founded:September 2009 Plant Area: 5000 square meters Production Equipments: 240 Sets Product Range : 0.5mm-3.0mm Production Capacity : 250 million pcs/month
Factory machines, which also was made by our factory. In oder to improve steel ball precision and efficiency, our R&D tream keep on hard working and got 52 pieces certificate of patent.
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