With the fast development of the business, TongDa established a Group company named Ningbo TongDa International Group in 2006, in order to strengthen its management upon the manufacture, technique, and trading. It includes 6 subsidiary companies as below:
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. HongKong Inrise Group (2004)
6. HongKong Huada Invest and Development Co.,Ltd.     (2006)
TongDa Group focuses on the technique of Lost-wax and Lost Foam,we main supply mining parts,precision castings,bucket teeth,automobile castings,investment castings and lost foam castings...