Qingdao preco imp. & exp. co., ltd. has spent years concentrating on clamping kits which is manufactured based on superb technology and fine workmanship. PRECO is mainly engaged in the business of spiral point tap and other product series. The development of PRECO annular cutter bits has many design considerations. They are static and dynamic stiffness, operating speed, gearbox, manual and automatic control. Processed by heat treatment, it has excellent mechanical properties. hand taps to be manufactured in this way is good in drill and tap tool. It is processed in strict accordance with relevant industry standards and is up to the national quality control standards.
We always conduct our business complying with the highest ethical and operational standards. We have set a goal - to treat our customers and suppliers with fairness, honesty, and respect.