As one of China's small and medium-sized enterprises, Qingdao preco imp. & exp. co., ltd. is trustworthy. PRECO focuses on providing a variety of annular cutters for customers. The functional defects of this product have been overcome by the professional team. Its steel and alloy materials offer it high strength. PRECO highly values the quality of mill and drill machines through controlling production process and mill drill. Its graduation and dimension can be customized.
Bringing in a set of the first-class infrastructure for waste treatment, we have strong determination to handle environmental issues. These infrastructures will help us handle and dispose of wastewater and waste gases in line with international best practice.