With the integration of industry and trade, PRECO is a professional thread forming tap manufacturer in China. So far, the company has accumulated abundant experience in this field. PRECO focuses on providing a variety of reduced shank drills for customers. No irritant chemicals are used in the PRECO corner rounding end mills mamufacturing process. Its strength, durability and overall safety were tested before transportation. The carburizing and quenching processing method enhances its impact resistance. The quality inspection department strictly checks quality from the raw material to the shipment process. The surface coatings prevent it from directly contacting with the harmful medium.
Our business philosophy is that we will win our customers' trustworthy by ensuring quality, safety, and sustainability in our business and helping them gain a competitive advantage.