Now, the company has successfully developed the part former of longitudinal 90°turnover and applied the national patent, which changed the eye bolt production process. Meanwhile, we developed zero clearance multi-station cold forging machine, this machine can manufacture punched parts which has more than 11 times length-diameter ratio. All this indicates the technology of Sijin has arrived or been closed to the world class performance and has become the pacemaker in cold forging machine industry in China.