No. 4 Engineering Company Ltd. of CCCC First Harbor Engineering Company Ltd. is state-owned large enterprise. It has been engaged fifty-four years mainly in the construction of houses, harbors, waterways, municipal and public works, highways and airfield pavements. It’s gross annual output value is RMB 3,500,000,000.
The registered capital of No. 4 Engineering Company Ltd. is 120,000,000 Yuan and its total assets are 1,035,000,000 Yuan. The company has 1369 employed workers including 865 managerial staffs and 277 managerial staffs with middle & senior professional titles. And the company owns all kinds of equipments of 917 sets.
Administrative departments are set up in the company’s headquarter according to Department-office system. Besides certain engineering project departments of comprehensive construction capacity, it has specialized companies such as the Mechanical Engineering Branch Company, the Bituminous Concrete Supply Company, the Commercial Concrete Supply Company and the Service Branch Company and so on. The company's Inspection & Test Center is Class A laboratory for water transportation projects of the Ministry of Communications, Class A laboratory for Tianjin construction corporations and Binhai Constructional Engineering Quality Test Center of Tanggu district. The Inspection & Test Center had been approved by CNAL in the year 2004. The company had obtained the following eight qualifications in the examination and approval of the Ministry of Construction in 2002:
Class A qualification for overall contract of construction works????
Class A qualification for overall contract of harbors and waterways construction Class A qualification for overall contract of municipal and public works construction
Class A qualification for specialized contract of airfield pavements construction
Class A qualification for specialized contract of ground and foundation construction
Class A qualification for specialized contract of steel structure construction?
Class B qualification for specialized contract of electromechanical equipment installation works
Class C qualification for specialized contract of pipeline construction

The company has undertaken over 100 key construction projects of China in the past fifty years especially the last two decades after reform and opening. The company has gained tremendous achievements in every field of construction.

In the field of high-rise buildings, the company has undertaken the North Edifice, FNEB Multipurpose Building, the Jingang International Development Edifice, the Coastal Station Multipurpose Building of Tianjin Marine Supervision Bureau, the Office Building of Tianjin Port Customs, Qianwan Edifice in Tsingtao, Yizhong Crown Holliday Hotel in Qingdao, Integrated Service Building of The 2nd & The 4th Company of Tianjin Port and FNEB Edifice etc.

There are also some industrial factory buildings which have been undertaken by the company: the Large Steel Structure Test Hall of Harbor Research Institute of the First Navigational Engineering Bureau, the Environmental Protection Test Hall of Tianjin Hydrometric Research Institute, the Factory Buildings of Daewoo Cement (Rizhao, Shandong Province)， the Power Plant in Tianjin TEDA, the Plant Building of Tianmei-YAZAKI Co.,Ltd, Changxingdao Site Factory Building of Shanghai Zhenhua Port Machinery Co. Ltd. and Factory Building of 5 million Amorphous Silicon Solar Cell on Glass Substrate of Tianjin Jin’neng Investment Company etc.

In the field of harbors and waterways construction, No. 4 Engineering Company Ltd. has successively participated in the construction of Liquid Chemicals Terminal of Huanghua Port, Outer Channel Regulation Project of Huanghua Port,? South Cofferdam in Nanjinag Port Area of Tianjin Port, Cofferdam in Dongjiang Port Area of Tianjin Port, the Metallurgical Industry Park Waters Cofferdam in Bayuquan, the Gravity Type Quay and Ship-building Berth of Hyundai Shipyard in Huangdao, the Tangjiao Shiplock in the Shangyu Section of Hangzhou-Ningbo Canal in Zhejiang Province, Reclamation Land Dredger Fill of General Cargo Terminal in Caofeidian and Circulating Water Pump House together with Circulating Water Outlet etc. Car dumper sheds are called “hearts” of land area project of piers. No. 4 Engineering Company Ltd. has undertaken nine car dumper sheds. The Jingtanggang car dumper shed which has been constructed by the company in 194 days is by now the largest “three-line and three-dumper” one throughout China. And so No. 4 Engineering Company Ltd. has created the record of the quickest construction speed in history for car dumper sheds. The Luban Civil Engineering Prize, the top honour of the building trade of China was separately awarded for the project of Qinhuangdao Coal Terminal and the one of the Coal Terminal of Rizhao Port in Shandong Province which participated by the company. The project of the Northern Terminal and the Storage Yard of the Eastern Pier of Tianjin Port won the honor of Zhan Tianyou Prize of the Second China Civil Engineering. No.1-No.4 berths of phrase-Ⅲ of Qianwan Project in Qingdao Port won Zhantianyou Prize and Luban Prize.

The company also has undertaken mechanical & electrical equipment installation works for Nanjiang Oil Wharf of Tianjin Port, Oil Wharf of Qinhuangdao Port,? Huangdao phrase-Ⅱ Oil Pipeline, Oil Loading Arms and Oil Tanks Projet in Qingdao Port, Nanjiang Petroleum Chemical Terminal in Tianjin Port and Huangdao Coal Terminal in Qingdao Port etc. At the same time, the company has completed a series of high level industrial electromechanical installation works including PhraseⅠ& PhraseⅡ Factory Building of Motorola Inc. in Tianjin TEDA and the Pharmaceutical Factory of TSK&F.

In the field of the construction of highway traffic, the company, depending on sets of imported equipments, has spread its footprints all over Jiangsu Province, Shanghai City, Zhejiang Province, Henan Province, Inner Mongolia Autonomous Region, Yunnan Province, Shandong Province, Hebei Province and Liaoning Province.? ?Phrase-Ⅱ of Hangzhou-Nanjing (in Zhejinang Province) Super Highway, partly constructed by the company, had been awarded the Excellent Quality Engineering Prize and National Silver Prize by Chinese Government for its excellent quality in 2004.

Early in 1980s, Vacuum Precompression Technique for Soft Soil Subgrade Strenthening won two patents and National S&T Prize for Tackling Key Problems during the Sixth Five –Year Plan. The construction technology has been applied successfully on the construction of ports, airports, high-rise buildings, highways and bridges. Up to now, the company has applied the construction technology on the total consolidation area of over 9,000,000 m2. In addition, the company had applied the achievement in Test & Research of Vacuum Precompression Technique for Soft Soil Subgrade to the foundation construction of Hangzhou-Nanjing Super Highway Project, which lied in area densely crisscrossed by waterways. And so the company has gained Class B Prize for Advanced Technology of Communications System in Zhejinag Province. Besides the technology, No. 4 Engineering Company Ltd. also has such technologies and equipments as dynamic compaction, vacuum drainage together with trailing impact rolling, vibrohammer piles, mixing piles, driven piles and so on.

The Company has become one of the units who possess a license for airport construction issued for the first time by General Administration of Civil Aviation of China. From the beginning of participating in the construction of Yanliang Airport in Shaanxi Province, The Fourth Company has successively undertaken the Runway Project of Yaoqiang Airport in Jinan City, the Runway and Taxiway of Macao International Airport, the PhraseⅠ& PhraseⅡ Runway, Taxiway and Parking Apron Pavement Project of Pudong International Airport in Shanghai, the Taxiway, Parking Apron and Viaduct Bridge of new Terminal Building of Binhai International Airport in Tianjin and Reconstruction Project of International Airport in Beijing. As to the Reconstruction Project of International Airport in Beijing, No. 4 Engineering Company Ltd. Has set new record of the largest construction area under condition of non-suspending air service, the largest total amount of pouring of concrete and the shortest construction period. As to the Runway Project of Yanliang Airport in Shaanxi Province, National Silver Prize was rewarded for its excellent quality. The Filling Artificial Island and Runway Project of Macao International Airport was rewarded the second Zhan Tianyou Prize. For Pudong International Airport Project, The Company has been rewarded many times Civilized Construction Site in Shanghai and Shanghai Excellent Collective for Contributions and Competition.? Phrase-Ⅰ&Phrase-Ⅱ Pavement Project of Pudong International Airport was rewarded Gold Prize for Municipal Works in Shanghai and Phrase-Ⅱ was rewarded Gold Prize for Municipal Prize of China. The achievement of Shanghai Pudong International Airport construction & Research, which the company had ever participated and finished, gained Class A Prize for Advanced Technology of Year 2001 in Shanghai Municipality.

From 1970s, No. 4 Engineering Company Ltd. goes abroad and has successively undertaken 30,0000 ton level dock in Malta, Indian River Channel in Pakistan, Friendship Port in Mauritania, Indini–Nouakchott Double Water-supply Line,
Urban Water Supply and Sewage Treatment of Nouakchott, Aquatic Products Market.
Cultivated Land Improvement in Leqizi Lake Area, Aknout-Atar Highway, Atar Airport, Nouakchott-Nouadibu Highway, Qifa Dam and Luso-Poga Highway etc.

Since the new century, No. 4 Engineering Company Ltd. has kept the trend of comprehensive, healthy and sustainable development. Both the corporation’s gross operational output value and total construction value have been up to 2,000,000,000 Yuan from the year 2005. The corporation always upholds market-oriented principal, sticks to such basis of work as quality basic, speed important, service supreme, placing the right person in the right post according to his achievements and making the enterprise prosperous and making the people rich. The corporation also carries out enterprise culture, advocates fine management, implements brand strategy and persists in attaching equal importance to serving the society and developing enterprise. So the company brings benefit to the employees continuously, and at the same time gained good social benefit. The projects undertaken by the corporation have gained tens of provincial and national awards, Excellent Quality Engineering Prize and National Silver Prize, Lu Ban Construction Engineering Prize, Zhan Tianyou Civil Engineering Prize, and 13 Gold Couple of Municipal Project in China. The corporation always keeps the honorable title of Prestige of Good Credit and Standing by Contract of Tianjin Municipality. The corporation has also been awarded Tianjin Excellent Management Enterprise and Tianjin Excellent Enterprise for many times. The corporation passed ISO-9002 Quality System Approvement in October, 1998 and passed so called Three-In-One Management System Approvement in 2003, which refers to QMS, EMS & OHSMS. The corporation was rewarded National Advanced Engineering Enterprise for Customer Satisfaction, National Excellent Construction Enterprise and National Prestige of Good Credit and Standing by Contract in 2004. In the year 2005, the corporation was rewarded National Excellent Construction Enterprise in Waterway Engineering and National Consumer Satisfaction Construction Enterprise and National Model Home of Workers. The company gained the title of