Jingshan Yuan, our general manager, graduated from the Wuxi School of Textile Industry in the fifties of last century; graduated from the East China Institute of Textile Science (Donghua University now) at the beginning of the sixties; graduated from the Economic and Management college of Tsing-Hua University in the eighties. He has been engaged in the development of products of the spinning machine in more than 40 years, and he is an expert of the drawing and roving theory and designing textile machine. When designed the new-style suspended flyer roving machine in Hongyuan Texitile machine Company, he adapted close suspended flyer firstly. During the 12 years when he worded in Wuxi Zhongshi Company, he had made the development, variety, output, quality, market share and export sales of roving flyer of the company go to the forefront of the trade.