LONGWAY's predecessor is Project Supervision Department under China Petroleum Pipeline Bureau Pipeline Design Institute Investigation Division, it has a strong design background and a group of professionals engaged in the survey design for many years.

　　Typical Project: West- East Natural Gas Transmission Line Project The whole line is 4,200Km long.

　　The project traverses 9 provinces like Xinjiang, Gansu, Ningxia, Shanxi, Shanxi, Henan, Anhui, Jiangsu, Shanghai, etc. from east to west.