July 14, 2010, after testing the joint efforts of Division staff, the company won the bid Yulin - Puyang test section of buried pipeline Fourth Section of the ground works, Yulin - Jinan gas pipeline west of Yulin City, Shaanxi Province, east Shandong Province Jinan City, way Shaanxi, Shanxi, Henan and Shandong provinces eight prefectures (cities), 22 counties (districts), through the gross birds Desert, the Loess Plateau, Luliang mountains, Taiyue Mountains, Taihang Mountains, the line length of 1045km . Division I winning tenders for the sub-transmission station to the south Licheng music sub-transmission station (including sub-transmission Licheng pigging station, sub-transmission station in Anyang), total length of 198.404km, diameter Φ711. The main testing says: pipeline to the pipeline inflection point location, across the board anti-corrosion coating layer break point detection and precise positioning, this project is contingent on our detection of a challenge, but also to our team a good opportunity for development exercise, We will strictly abide by the construction plan and construction standards, enhance the company's business in the detection of the actual competition. 
      Receive a Letter of Acceptance, testing division immediately began Yu Ji line conferences, for the difficulties that may arise out one by one the troubleshooting, and engineering work done on this important deployment. We will send excellent construction team and the support of strong technical force, excellent complete this project!