At present, Sijin has successfully researched and developed longitudinal 90° rotary pressured parts cold forging machine(produce eyebolt（GB/T798）and oil pipe joint in one time ), which changed the production process of eye bolts and applied for national invention patent. It's glad tidings for eye bolt manufacturers.
Web:www.machinesijin.com
Mobile: +0086-158-8805-1157
Email: sijin@machinesijin.com ; cherry@machinesijin.com
