Our company is the first domestic manufacturer of manual threading machine in 1998. We have accumulated more than 20 years of experience in threading process. Now the full-automatic threading production line has experienced 8 years of R & D time and experience accumulation, and many years of customer on-site production operation, optimization and upgrading. We guarantee that our automatic line is the most cost-effective automatic line in the world so far, which is more suitable for the domestic market.