Zhongshan QianRun Precision Steel Ball CO.,LTD is located in Torch Developing Area, Zhongshan, Guangdong, China. Our staffs (all our technicians) have more than 20 years work experience in steel balls industry, more than 45% of whom having bachelor degree or above. Our company mainly focuses on high precision miniature steel ball manufacture and development. High precision stainless steel ball, chrome steel ball, glass ball and plastic ball, especially the size range from 0.5mm to 6.0mm, the precision up to Grade 5, are the main products we engage in.
Our monthly capacity of our factory is 60 million pieces. We apply the advanced steel ball production equipments and test equipments into production process from cold heading to lapping. Meanwhile, production technologies have been improved from 8 procedures to 17 procedures. All finished balls pass to screen in dust-free cleaning room, and the balls below 2mm are detected by Photoelectron Fault Detector. The qualification rate of our steel balls is up to 98%.
ISO 9001,ISO 14001 and TS-16949 certifications have been achieved during these years. Our company has found Technology Research and Development Department and we got many patents on cold heading machine, sorting machine, grinding machine, photoelectron fault detector and so on.Our products are very popular in Japan, Southeast Asia, Europe, North America, Middle East, etc. and got the good reputation. Our tenet is ¡°Customer first, Service Best¡± . Looking forward to your inquiries!