Since establishment, Q.R. has provided precision steel balls to rolling industries domestically and on abroad. The products are widely used in bearings, batteries, micro motors, disks, auto parts, precision instruments, medical instruments and cosmetics. Now, there are 240 production equipment in Q.R. plant, which is 5000 square meters with 4 floors.
Main products are：
Chrome Steel Ball
Stainless Steel Ball
Brass Ball
Ceramic Ball
Glass Ball
Plastic Ball
Strict QC Control
Q.R. is ISO 9001, ISO 14001 and ISO/TS 16949 certified. Set up an independent R&D department to keep improving equipment and instruments.
All products are packed in anti-rust room
Steel balls which are smaller than 3mm will be 100% sorted by our steel ball surface detector. In this way, it effectively prevents defects.
Strengths of Q.R.
Advanced production equipment for steel balls
Advanced inspection instruments for precision steel balls
Strict management systems
Experienced QC
Strong R&D team
Product category
Certification information through