Ningbo Rotie is a professional manufacturing company specializing in the design, development, production and machining of mining and tunnelling components, post tensioning system components etc. It has 3 foundries and 4 machining factories. The company mainly produces Grey cast iron and ductile iron, as well as carbon steel, stainless steel, aluminum, copper machining.
Ningbo Rotie’s production equipment has 2 automatic molding machines, 3 machining centers, 50 CNC machines, 5 rocker drills, 4 automatic milling machines, 20 tapping machines, 2 cutting machines and so on. Our inspection equipment includes 2 metallographic analysis, 2 stretching machines, 2 hydraulic presses, 3 Brinell hardness testers, 3 Leeb hardness testers, 1 projector, 1 magnetic particle flaw detector and so on.
The company is committed to the production of metal parts between 2-100KG, the products are mainly used in mining, tunneling, infrastructure, construction and bridge industries, direct or indirect exports of about 90%, exported to the United States, Australia, the Middle East, Europe and other countries And places, products enjoy a good reputation in the international market.
Technology changes society, and Ningbo Rotie will support the development of the worldwide.