ST specializes in the manufacture of blown film, cable, tube and sheet, rubber, pelletizing, conical/parallel twin screw, made of high quality alloy steel (38CrMoALA), tempered, qualitative, surface nitriding, polishing and other processes, with the characteristics of precision and wear resistance, is the ideal complementary products for injection molding machine, extruder, rubber machinery manufacturers.

ST product range has covered more than 20 countries, from the precise control of quality. The company has a full set of production lines, large finishing screw barrel CNC production equipment, computer-controlled nitriding furnace, constant temperature quenching and heat treatment equipment and dual alloy spray welding equipment, equipped with perfect testing facilities and after-sales service system; R & D design team focused on technological innovation, to provide quality products, but also to provide customers with professional project technical solutions and process support.

"Based on the screw industry, manufacturing quality products" is the mission of the company, to help users create maximum profits and business opportunities is our ultimate goal (customer success, is our future). ST are committed to be the most reliable supplier for our customers by ensuring high quality products with rigorous and efficient working attitude.