Mr. Jiang has been deputy general manager of China Submarine Cable Construction Co., LTD., deputy general manager of S.B. Submarine Systems Co., LTD., vice president of Shanghai Long Distance & Wireless Communication Department of China Telecom, and China Telecom's chief representative of ICPC. He has engaged in underwater communication engineering for more than 40 years, and participated in and presided over the construction, maintenance and repair of many domestic and international submarine cable systems, including China's first international undersea coaxial communication cable in 1976, China's first international submarine optical cable system in 1993, and maintenance and repair of optical cables in the Asia-Pacific region.