With the fast development of the business, Tongda established a group company named Ningbo Tongda International Group in 2006 in order to strengthen our management upon the manufacture, technique and trading. Our company includes 6 subsidiary companies as follows:
1. Ningbo Tongda Precision Casting Co., Ltd. (1993)
2. Fenghua Tongda Precision Casting Co., Ltd. (2005)
3. Ningbo Weirong Automobile Parts Manufacture Co., Ltd. (2004)
4. Ningbo Inrise International Trading Co., Ltd. (2004)
5. Hong Kong Inrise Group (2004)
6. Hong Kong Huada Invest and Development Co., Ltd. (2006)

Tongda Group focuses on the technique of Lost-wax and Lost foam casting process. The materials that we are dealing with are carbon steel, alloy steel, ductile iron, grey iron and other products. Our OEM products are widely used in the industries of Automobiles, G.E.T., Forklifts, Marines and Railways. 85% of these parts are exported through our Inrise Trading Company.

Tongda Group has a professional engineer team to do research on various materials and also produce OEM products. In order to ensure the quality of our products, Tongda built a Lab which has the equipment such as X-ray Testers, CMMs, Spectrum Analysis Instruments, Metallographic Examination Instruments, Magnetic Particle Inspectors, Hardness Testers, Impact Test Machines, and Universal Strength Testers.

Tongda Group has achieved a good reputation at home and abroad with our competitive prices, reliable quality, on-time delivery and good after-sales services. Tongda also aims at becoming a leading casting manufacturer in China.

Our Quality Certifications and honors:
S16949
ISO9001
Germany Lloyd
China Authorized Auto Parts Manufacturer
Member of China Foundry Association