Hunan Hengji Tunnel Engineering Co., Ltd.

Hunan Hengji Tunnel Engineering Co., Ltd. (abbreviated as Hunan Hengji), formerly Hunan Hengji Geotechnical Engineering Co., Ltd., was registered in April 2004. With the continuous development of the enterprise, in October 2009, upon change registration with the Changsha Administration for Industry and Commerce, its capital was increased to 30.1 million yuan, becoming an operating entity with independent legal person status. It is a member unit of the China Exploration and Surveying Association and has been granted the Comprehensive Class A Qualification Certificate for Engineering Surveying issued by the Ministry of Construction of China, certificate number: 180016kj. Facing the market, it operates independently and is responsible for its own profits and losses. Hunan Hengji Company is located on Xiangfu East Road, Changsha City, adjacent to the Hunan Provincial People's Government and Changsha Tianxin District Government to the west, and the Changsha Yuhua District Government to the east. It has registered a branch and Sino-Australian Hengji Technology Co., Ltd. in Beijing, registered Asia Civil Engineering Co., Ltd. in Pakistan, established joint venture natural gas companies with PetroChina Kunlun Gas Company and China Resources Gas Group respectively, and also has wholly-owned urban gas companies. Hunan Hengji Company currently has 512 employees, including 193 engineering and technical personnel of various types, 269 skilled workers, and 50 administrative management personnel. Among them are 1 doctoral supervisor, 6 registered geotechnical engineers, 18 senior engineers, 5 Class 1 registered constructors, and 35 engineering masters. It possesses TGP12 advanced prediction instruments, TGP206 advanced prediction instruments, SWS engineering detectors; various engineering drilling rigs, large-diameter directional drilling rigs, down-the-hole drilling rigs, concrete sprayers, static pressure pile drivers, deep mixers, high-pressure rotary jet grouting machines; 45MPa giant energy mud pumps, various mud pumps; global satellite positioning dynamic GPS, handheld GPS, Japanese Topcon total stations, American underwater depth sounders, British Radiodetection underground pipeline detectors; TH-50L/100L trenchless directional drilling rigs, VF-9/7DY electric mobile air compressors, VF-9/7G electric stationary air compressors; various design software; various testing instruments and equipment, shallow seismographs, dual-frequency IP instruments; various computers, large plotters, printers, digital cameras, video cameras, vehicles of various sizes, totaling 567 units/sets. Qualification business scope: tunnel construction monitoring (measurement) and geological advanced prediction, settlement and deformation monitoring (measurement) of foundations and structures, geological disaster treatment, engineering surveying, design, construction, testing, monitoring, supervision of tunnels and underground engineering, engineering surveying and mapping, underground pipeline detection, underwater topographic survey, topographic mapping, establishment of geographic information systems, geophysical exploration, various geotechnical engineering design and construction: deep foundation pit design and construction, soft foundation treatment, slope treatment, underground mined-out areas, karst area treatment, directional drilling, trenchless laying of underground pipelines, bridge foundation repair and reinforcement, reinforcement and treatment of existing buildings, road, bridge and tunnel construction, bridge and culvert abutment back compaction degree testing, etc. Our company has established a complete organizational management structure and management system. Due to consistent adherence to the business policy of "technological innovation, quality first, reputation supreme," the enterprise has gained a good reputation. In recent years, representative projects completed mainly include: 1. Tunnels: Xuefengshan Tunnel (6.7KM) on the Hunan Shaohuai Expressway, Damianshan Tunnel and Youyi Tunnel (2.3KM) on the Hengyan Expressway, Yanmenjie Tunnel (3.7KM), Qingshangang Tunnel (1.3KM), Que'erxi Tunnel (1.3KM), and Dulongtian Tunnel (1.1KM) on the Changji Expressway; 2. Surveying, measurement, monitoring and testing projects: completed the natural gas pipeline projects within Hubei, Hunan, Zhejiang, and Shanxi provinces of the national key project West-East Gas Pipeline; China's first and second liquefied natural gas projects, the Guangdong LNG and Fujian LNG gas transmission trunk lines; the China-Myanmar oil and gas pipeline project (within Myanmar), the Se-Ning-Lan pipeline project, the Lanzhou-Zhengzhou-Changsha oil pipeline project, the national key construction project - hydrogeological survey and treatment of the large-scale pyrite mine slope project in Yunfu, Guangdong (with a natural slope of 800m and a maximum height difference of 474m), the survey, pile foundation testing, bridge and culvert abutment back testing and slope treatment of multiple expressways in Hunan such as Tanshao, Hengzao, Hengshao, Hengyan, Chenning, Xiacheng, Changji, etc.; 3. Geotechnical engineering design and construction: survey and foundation engineering of the B2 section soft foundation to elevated bridge of the Guangzhou-Shenzhen Expressway, IV single conductor and IV order level one densification survey of the B2 section, geophysical survey of groundwater resources engineering in the Huitang Hot Spring International Tourist Resort in Changsha, Hunan, Changsha Huangxing Road Commercial Pedestrian Street, foundation reinforcement of the Sports Center of Changsha University of Science and Technology, deep foundation pit support for the business building of the Changsha Telecommunications Bureau, Lishui Bridge in Zhangjiajie, Xiaoshui Bridge in Daoxian, Hunan, foundation repair and reinforcement of the Anxiang Dajinggang Bridge, Guangdong Daya Bay oil storage depot area, soft foundation treatment of the Korla Oilfield depot area in Xinjiang, Chenzhou landslide on National Highway 107, Leiyang landslide treatment, and especially in recent years, completed oil and gas pipeline survey and geophysical prospecting projects in Guangdong, Fujian, Hunan, Hubei, Shanxi, Gansu, Ningxia, Qinghai and other provinces. Our company has consistently adhered to the policy of "quality first, reputation supreme." All engineering survey projects have passed quality acceptance, and 8 projects have won provincial (ministerial) first, second, and third prizes. The institute has won the title of "Contract-honoring and Credit-worthy Unit" in Hunan Province and "Advanced Unit in Dual Civilization Construction" in Changsha City for six consecutive years, and was rated as "National Advanced Unit in Engineering Surveying" by the Ministry of Construction. Hunan Hengji is currently a member unit of the China Exploration and Surveying Association, and a council member unit of the China Petroleum and Chemical Exploration and Design Association and the Hunan Provincial Exploration and Design Association. We actively participate in and take the lead in implementing survey industry regulations, improving the overall survey technology level. We will continue to work hard, forge ahead, and achieve new successes in the fierce market competition. Hunan Hengji sincerely wishes to cooperate with friends and colleagues from all walks of life in various forms, and wholeheartedly serve you to jointly create a better future! Enterprise spirit: Quality is king! Technology is fundamental! First-class talent! First-class brand! Go global! Serve the motherland! Enterprise culture: Help each other, unite and be friendly. Virtuous and honest, learned and earnest in practice. Standardized management, strictly control costs. Overall planning, improve efficiency. Encourage progress, spur the lagging. Reward the diligent and punish the lazy, reward the excellent and eliminate the inferior. Work hard, practice economy.