中鐵四局集團有限公司

自成立六十多年來，中國中鐵四局集團有限公司先后新建、改建、擴建鐵路干線、支線13200多公里，建成大型鐵路樞紐14個，并在高速公路、市政、水利水務、汽車試驗場、城市軌道交通、工業與民用建筑、電氣化工程等施工領域取得輝煌業績和卓著信譽。同時，公司積極參與國際市場競爭，在20多個國家和地區完成或正在施工鐵路、公路、房建、水利等工程百余項。所建工程中，先后有19項獲中國建筑工程魯班獎（國家優質工程）；16項獲中國土木工程詹天佑大獎；15項被評為全國用戶滿意建筑工程；8項被評為國家市政金杯示范工程；14項被評為全國優秀焊接工程；16項獲中國建筑鋼結構金獎；13項榮獲國家優質工程獎；185項獲省部級優質工程獎；8項成果榮獲國家級科技進步獎，92項成果榮獲省部級科技進步獎；所編制的工法中，19項被評定為國家級工法， 142項被評定為省部級工法。公司現擁有專利146項，其中發明專利28項。

中國中鐵四局集團有限公司為國家級高新技術企業，并建有國家級企業技術中心和博士后工作站。公司現有員工21000名，包括各類專業技術人員11700余人，各類技術工人8600余人。其中，具有高中級技術職稱的專業技術人員4290名（包括55名專家享受國家、部、省特殊津貼，53名教授級高級工程師）。目前，公司擁有各類先進機械設備9800余臺（套），總功率達109萬千瓦。其中，用于鐵路客運專線重型橋梁制、運、架及軌道生產、鋪設，城市地鐵區間施工，高速公路路面施工的大型設備近二百套（臺）。由于卓越的管理和良好的信譽，中國中鐵四局集團有限公司成為自鐵道部2005年開展鐵路信用評價以來，在近百家鐵路施工企業中唯一一家連續位居A類企業的單位，獲得銀行授信額度499億元；多次榮獲“全國優秀施工企業”稱號和“全國五一勞動獎狀”，先后被評為“全國重合同守信用企業”、“全國工程建設質量管理優秀企業”、“全國建筑科技進步與技術創新先進單位”、“全國思想政治工作優秀企業”、“全國模范勞動關系和諧企業”。

As a large-scaled construction enterprise and a model subsidiary of China Railway Engineering Corporation, one of Fortune Global 500, China Tiesiju Civil Engineering Group Co., Ltd.(CTCE), possesses a series of government-registered or issued qualification certificates as follows: super class general contractor of railway engineering; class A general contractor for highway engineering, municipal works, building works and electromechanical equipment installation works; class A specialized contractor for more than a dozen of categories of works, inclusive of bridge, tunnel, highway bed and surface, railway track-laying and girder-erection, railway electric power, communications, signaling, electrification engineering, telecommunication engineering, architectural decoration, fire control facilities, hydraulic tunnel and steel structure; specialized contractor of highway transportation engineering and urban mass transit engineering, class B general contractor of water conservancy and hydropower engineering; grade-one contractor of environment protection engineering and geological hazard control engineering; grade-one designer of steel structures, railways and buildings. It is also licensed to conduct business and contract engineering projects abroad. Besides, it engages in architectural survey and design, new construction material manufacture，railway operation services, construction machinery rental services, equipment and material export, real estate development and investment in infrastructure. 
In the past over 60 years since its establishment, China Tiesiju Civil Engineering Group Co Ltd has constructed, renovated, extended more than 13 thousand km of railway lines, as well as 14 large-scaled railway junctions. It has also made remarkable achievements and won a high reputation in the fields of construction of expressways, municipal engineering, automobile proving grounds, urban mass transit engineering, industrial & civil buildings, electrification engineering, and so on. By active participation of international market, it has been fairly internationalized by undertaking about one hundred projects including railways, highways, industrial & civil buildings, water conservancy works, in over 20 countries or regions. Of these above-mentioned projects, 18 won Luban Prize for National Architectural Engineering Project, 16 were awarded Zhantianyou Grand Prize for National Civil Engineering, 15 won State Consumer-Satisfying Architectural Project Prize, 8 obtained State Municipal Demonstration Engineering Golden Cup Prize, 18 won State Excellent Welding Engineering Prize, 15 got National Building Steel Structure Golden Prize, 13 won State Quality Prize, and as many as 185 obtained provincial or ministerial-level high-quality project prize. Due to its constant innovation, 8 scientific and technological achievements won State Scientific & Technological Progress Prize, 92 gained Scientific & Technological Progress Prizes at provincial or ministerial level. 19 construction techniques developed by the corporation were adopted as state-level construction methodologies, and 142 ones the provincial-level construction methodologies. And by now, the corporation owns 146 patents, of which 28 are patents of invention.
As a state-authorized hi-tech enterprise, CTCE has established a state-level technological center, as well as a post-doctoral work station. And among the over 11,700 technical personnel, it has 4290 medium or senior professionals, of which 55 ones enjoy the Government-offered Special Expert Allowance, 53 ones own the professional title of professor-level senior engineer. In addition, it is also staffed with about 8，651 skilled workers. It is equipped with more than 9,800 pieces or sets of advanced production facilities totaling 1.09 million KW. Among these ones, over 200 sets or pieces are large modern equipment for construction of metro tunnel, production, transportation and erection of 900t or 750t box girders of passenger special railway, manufacturing and laying of ballastless slab track, or for construction of highway asphalt surface. Based on the excellent management and achievements, it has in recent years been assessed as one of Grade-A construction enterprises consecutively through the credit rating activities organized by the Ministry of Railways, being the only construction enterprise which won such as an achievement among nearly 100 contractor of railway engineering, and has been given overall credit lines of ￥ 49.9 billion. In addition, it won the titles of National Excellent Construction Enterprise, State Excellent Enterprise for Ideological Work, State Contract-Observing and Promise-Keeping Enterprise, State Excellent Enterprise for Engineering Construction Quality Control, State Model Harmonious Enterprise for Labor Relation, as well as the Labor Honorary Credential of May Day.