The main business scope is to contract the whole process or sub-projects of investigation, design, construction and installation of water conservancy and hydropower construction projects at home and abroad and transmission line construction projects such as navigation channels, dikes, bridges and airports; Export of materials and equipment required for the above projects; Sending foreign workers to engage in engineering and production in this industry; Mechanical and electrical equipment manufacturing and installation, shipbuilding and repair; Manufacture and installation of metal structure pressure vessels and manufacture of low-voltage switchgear; Automobile modification and maintenance; Production, sales and export of cement, phosphorus and carbon chemical products (excluding dangerous chemicals and chemicals controlled by the state), adhesives, welding electrodes and marble; Transport and tourism services; Manage and represent the import and export business of products and technologies such as mechanical and electrical equipment in this system; The purchase, sale and lease of construction and installation equipment; Investment and development of hydropower stations, water conservancy projects and traffic projects; Housing lease; To engage in the export business of self-produced products and technologies of the enterprise, and to engage in the import and export business of machinery and equipment, spare parts, raw and auxiliary materials and technologies needed by the enterprise, except for commodities and technologies restricted or prohibited by the state; General freight (limited to branch operations); Can undertake the construction of housing construction projects within the scope of secondary general contracting. Wholesale operation of coal (only allowed by branches).
On September 8, 2008, the rotor of the last unit 15 of the Three Gorges Right Bank Power Station was hoisted into the foundation pit. During the rotor assembly of the unit, the rotor pole hanging scheme was further optimized, and the overall roundness of the assembled rotor reached 0.65 mm, creating the best level of rotor assembly of the Three Gorges Power Station and the highest level of rotor assembly of similar hydro-generator units in the world. In July 2008, Caohe Aqueduct, the largest water conveyance aqueduct project in China, which Gezhouba No.1 Company participated in, passed the completion acceptance of the main project. A company won the bid in June, 2004 at 5438+065438+ 10, and undertook two-thirds of the aqueduct project, which is also the most difficult construction part recognized by all parties involved. The project includes 4 1 span, each span is 30 meters long, the total length is 1286.6 meters, and the design flow is 125 cubic meters per second.
In March 2008, the 65438+ 10,000-ton launching slipway project of Wuhan Qingshan Shipyard of Changhang Group, which was undertaken by the sixth company of Gezhouba Group, passed the acceptance inspection, and the project quality was excellent. The slideway is 202 meters long and 173.72 meters wide, and it is the largest horizontal launching slideway in the world inland waterway shipyard.
June 5438+October 2008 10, Gezhouba Real Estate Company was awarded the honorary title of "Top Ten Industries in 2007" by Hubei Provincial Bureau of Statistics, and obtained the honorary certificate of "Top Ten Real Estate Development and Management Industries in 2007".
In 2007, Gezhouba Electromechanical Construction Company installed and put into production 4.537 million kilowatts, and the number of installed units and power generation set a new record for industrial enterprises in China.
On February 27th, 2007 16: 30, the Three Gorges Right Bank Power Station 17 unit installed by the group company was officially delivered to the Three Gorges Power Plant for commercial operation. This is the fourth domestic large unit installed and put into operation by the group company in the right bank power station of the Three Gorges Project that year. The commissioning of this unit indicates that China enterprises have set a world record for installing and debugging four 700,000-kilowatt large hydro-generator sets in a hydropower station with a total installed capacity of 2.8 million kilowatts.
In August 2007, China Gezhouba Group Co., Ltd. was named150th in the "Top 225 International Contractors in 2007" by engineering news-record, an industry news weekly under McGraw-Hill Building Information Company.
On the evening of June 5438+1October 9, 2007, the RCC core sample with a length of15.03m was successfully taken out from the No.6 dam section of the left bank dam of Guangxi Longtan Hydropower Station, which was 0.4m longer than the "longest core in China" reported by the media before. It is found that the surface of the core sample is smooth and dense, the aggregate is evenly distributed, there is no obvious rolling layer and intermittent layer, and the interlayer bonding is good.
In May 2005, the asphalt core wall project of Yele Hydropower Station in Sichuan, which was undertaken by the Sixth Company of Gezhouba Group, set a new record for the construction of roller compacted concrete core wall in China, with a single layer of 25 cm, continuous rolling of three layers in a single day, monthly increment of 10 meter, and monthly pouring of asphalt concrete core wall of 2340 cubic meters.
In 2005, China Housing Entrepreneurs Association rated Gezhouba Group Real Estate Company as "Top 200 Real Estate Enterprises in China in 2005".
In 2005, China Building Materials Industry Association and Industrial Transportation Statistics Department of National Bureau of Statistics rated Gezhouba Cement Factory as "Top 100 Building Materials Enterprises in China".
In 2003, with the construction speed of 12 months ahead of the contract period, the Group Company won the commissioning of Units 5, 6 and 4 of the Three Gorges Left Bank Power Station in one fell swoop, creating a new national record of 265,438+10,000 kilowatts for the same hydropower station.
In 2003, the RCC cofferdam in the third phase of the Three Gorges Project set a number of world records: the maximum storage capacity 190 12 square meters, the monthly pouring of 476,000 cubic meters, the daily pouring of 2 1066 cubic meters, the shifting pouring of 7,438.5 cubic meters and the hourly pouring of 1278 cubic meters.
In 2000, in the construction of the second phase of the Three Gorges Project, the group company created a world record of 2,583,800 cubic meters/year of concrete for hydropower construction enterprises.
During the period of 1970-2000, the group company built more than 100 dams of various types on major rivers at home and abroad, introduced and developed two new dam-building technologies, namely roller compacted concrete dam and concrete face rockfill dam, and accumulated advanced and comprehensive dam-building technologies. Among them, Gezhouba is the largest dam built in China in the 20th century. Mao Ping Creek Protection Dam of Three Gorges Project is the first 100m asphalt concrete core earth-rock dam in China. The earth-rock dam of Daguangba Hydropower Station in Hainan is the longest earth-rock dam in Asia in the 20th century. Xibeikou dam is the first 100m concrete face rockfill test dam in China.
Gezhouba Cement Plant is the largest special cement production base in China and one of the top ten cement enterprises in China, with a production capacity of 3 million tons from 65438 to 0999.
During the period of 1999, the joint venture company led by the group company created a national record of installing four 550,000-kilowatt hydropower units in one hydropower station and one installation room every year in the construction of Ertan Hydropower Station in Sichuan Province. Ertan 550,000 kW hydropower unit is the largest hydropower unit installed and put into production in China in the 20th century. Its successful installation indicates that the Group continues to be "the first brand of mechanical and electrical installation in China".
1997, during the closure construction of the Three Gorges Project, the group company created the closure depth of 60m, the flow rate of 8480-11600m3 per second, the daily throwing intensity194000m3 and the hourly throwing intensity1.7/kloc. Wait for "four world firsts".
1997, founded exclusively by the former core enterprise of China Gezhouba Group Company and the former China Gezhouba Water Conservancy and Hydropower Engineering Group Company, is the first listed company in China hydropower construction industry.
In the construction of the diversion channel on the right bank of the Three Gorges Project, the world's largest diversion channel, the group company set a national record of 300,000 cubic meters of earth and stone excavation per day and 5.8 million cubic meters of excavation per month, and set a national record of 223.4 meters of monthly footage in the excavation of the protective drainage tunnel in Mao Ping Creek.
During the period of 1993, the group company also undertook the unit installation of Geheyan Hydropower Station in Qingjiang County, Hubei Province, Manwan Hydropower Station in Yunnan Province and tianshengqiao hydropower station, Guangxi Province, creating a national record of 6 units installed and put into operation every year, with a total capacity of1540,000 kilowatts, accounting for 54% of the national hydropower unit production capacity in that year.
199 1 to 1995, the group company and the German company formed a joint venture company to undertake the underground powerhouse project of Ertan Hydropower Station in Sichuan, the largest underground powerhouse in Asia in the 20th century.
In 1970s and 1980s, the Group Company exclusively built the Gezhouba Water Control Project, the first dam of the Yangtze River, creating more than 65.438 million new records of hydropower construction in China, and pushing the construction technology of hydropower projects in China to the advanced level in the world.
During the period of 1987, the group company created "three national firsts" in the construction of Gezhouba project at that time in terms of installed units, capacity and progress.
198 1 year, the Yangtze River was intercepted by the group company for the first time in human history, which made China's diversion and interception technology enter the world's leading level.