
In the machinist parallels industry, Qingdao preco imp. & exp. co., ltd. is a pioneer thanks to the intimate after-sales service and premium goods. PRECO is mainly engaged in the business of cnc milling machine and other product series. PRECO hex shank drill bits has been seriously tested in its manufacture. The tests include mechanical properties test, leak detection, and other non-destructive tests. The product is distinguished for precision registration. Over the years, PRECO has been growing rapidly in annular cutters market. The surface coatings prevent it from directly contacting with the harmful medium.

To create a sustainable society, we have developed and implemented a strategy to guide our production activities to greener and more environmental-friendly way.

