Prof. Chen Banggu is one of the main founders of the stuffed welding wire industry of China. The high class stuffed welding wire and the production lines for making sets of stuffed welding wire were developed domestically in the beginning of the 90s, with the support of the national authorities, Tianjin and Tianjin University, etc. In August 1994, being organized with Tianjin authorities, Tianjin Sainteagle Welding Company was set up jointly by Tianjin Trust Investment Company, Tianjin Science and Technology Development Investment Company and Tianjin University, with Prof. Chen Banggu as the general manager of it. The first professional manufacturer of stuffed welding wires was created in China. For 11 years after the foundation, Tianjin Sainteagle Welding Company has made many No. 1s at this sector.

The average development rate of Tianjin Sainteagle Welding Company for the 11 years is 50%. The sales volume of 1995 was only RMB ￥300,000, and the one of 2005 was up to RMB ￥92.6 million, with the annual profit and tax RMB ￥10.47 million, being increased by 300 times than the one of 10 years ago, and 33% and 55% than the ones of the same periods of the previous year. At present, the Chinese market rate of Tianjin Sainteagle Welding Company is 14%, being listed only next to Tiantai Company of Taiwan, exceeding far of the ones of the American, Japanese and Korean companies, becoming the largest international group of internationally famous new welding material manufacturer in China, with the RMB ￥3 billion of the annual sales volume in 10 yeas, and welding products as core.

Tianjin Sainteagle Welding Company and “Sainteagle” brands have become the symbol, and banner and pride of the national industries of self intellectual property rights of the Chinese welding sector.