Recently, in the public tender for the B package testing project of the reconstruction project of the Songxian Luhun to Jiangou River Section of the G344 Dongling Line organized by China First Metallurgical Group Co., Ltd., the testing company attached great importance to it and made careful deployment, and the personnel involved in the bidding work were united and cooperative; has successfully won the bid.

　　The length of the project is 9.751 km, using the technical standard of two-way four-lane first-class highway, the design speed is 80km/h, the width of integral subgrade is 25.5m, and the width of pavement is 24m. There are 2 grand bridges, 3 grate bridges, 2 middle bridges, 1 small bridge, 1 long tunnel, 1 middle tunnel, 26 culverts, 4 intersections, 3 connecting lines, 1 interchange and 1 maintenance area. The main service contents of the bid-winning project include: 1, site laboratory; 2, external inspection of materials entrust (coarse aggregate, fine aggregate, fly ash, cement, water, admixture, steel bar, asphalt, bearing, steel strand, Anchorage, clamp, galvanized metal bellows, sound measuring pipe, expansion joint, etc.); 3, tunnel special testing; 4, pile foundation, soft foundation testing. 5. All construction contents such as high slope monitoring.

　　Over the past two years, Zhongben Testing and Certification Co., Ltd. has won the general contracting project of China Metallurgical Group many times, which fully reflects the sound management system, strong qualification strength, rich testing performance, excellent testing team, considerate and meticulous service and superb testing technology of Zhongben Testing and Certification Co., Ltd. it has won the recognition and trust of China Metallurgical Group.