Beijing Chengda Communication Technology Co., Ltd. is the contracting qualification of communication, monitoring and charging integrated system engineering B52844110/0802.
Beijing Urban Construction Road and Bridge Engineering Co., Ltd. "Grade I General Contracting of Highway Engineering Construction"
First-class contracting of highway pavement engineering specialty
First-class contracting of highway subgrade engineering specialty
A10240101010501"for bridge engineering professional contracting.
Beijing Urban Construction Group Co., Ltd. "General contracting fee for highway engineering construction.
First-class contracting of highway pavement engineering specialty
Grade I "A001401kloc-0/010801"for highway subgrade engineering.
Beijing Urban Construction Sanjian Development Co., Ltd. "Grade I General Contracting of Highway Engineering Construction"
First-class contracting of highway pavement engineering specialty
Grade I "A102401KLOC-0/010502" for highway subgrade engineering.
Beijing Urban Construction No.1 Construction Engineering Co., Ltd. "Grade I General Contracting of Highway Engineering Construction"
Grade I "A101401010510" for highway subgrade engineering.
Beijing Urban and Rural Xinrui Construction Co., Ltd. "The first-class professional contracting of highway pavement engineering"
Grade I "A101401010406" for highway subgrade engineering.
Beijing Gongke Feida Traffic Engineering Development Co., Ltd. has the qualification of contracting the comprehensive system of communication, monitoring and charging for highway traffic engineering B5284411KLOC-0/0801.
Beijing Haiwei Engineering Construction Co., Ltd. "Grade I General Contracting of Highway Engineering Construction"
First-class contracting of highway pavement engineering specialty
First-class contracting of highway subgrade engineering specialty
A102441kloc-0/010501"for bridge engineering professional contracting.
Beijing Warwick Traffic Engineering Co., Ltd. has the qualification of contracting communication, monitoring and toll collection comprehensive system engineering for highway traffic engineering B 52811022101.
Contracting qualification b528401kloc-0/01010602 for comprehensive communication, monitoring and toll collection system engineering of Beijing Lu' an communications technology development co., ltd.
Beijing Ruihuaying Science and Technology Development Co., Ltd. is the contracting qualification B5284011KLOC-0/0803 for the comprehensive system engineering of communication, monitoring and charging.
Beijing Road and Bridge Construction Company's "General Contract Fee for Highway Engineering Construction"
First-class contracting of highway pavement engineering specialty
Grade I "A00210101010401"for highway subgrade engineering.
Beijing Hailong Highway Engineering Co., Ltd. "Grade I General Contracting of Highway Engineering Construction"
First-class contracting of highway pavement engineering specialty
First-class contracting of highway subgrade engineering specialty
Bridge engineering professional contracting level 1 "A102111022901"
Beijing No.2 Construction Engineering Co., Ltd. "Grade I General Contracting of Highway Engineering Construction"
First-class contracting of highway pavement engineering specialty
Bridge engineering professional contracting level 1 "A11040110203"
Grade A11kloc-0/111010201.
Beijing No.1 Construction Engineering Co., Ltd. "Grade I General Contracting of Highway Engineering Construction"
First-class contracting of highway pavement engineering specialty
Grade I "A110401010801"for highway subgrade engineering.
Engineering qualification of comprehensive system for contracting communication, monitoring and toll collection of highway traffic engineering major of Beijing kete Highway Science and Technology Research Institute B528111010801.
Beijing Municipal Construction Group Co., Ltd. "Grade I General Contracting of Highway Engineering Construction"
First-class contracting of highway pavement engineering specialty
Grade I "A 010401KLOC-0/010201"for highway subgrade engineering.
Beijing Xinchang Road and Bridge Construction Co., Ltd. "Grade I General Contracting of Highway Engineering Construction"
First-class contracting of highway pavement engineering specialty
Highway subgrade engineering professional contracting level 1 "A1024011022701"
Beijing Xinshi Road and Bridge Construction Co., Ltd. "Grade I General Contracting of Highway Engineering Construction"
First-class contracting of highway pavement engineering specialty
Highway subgrade engineering professional contracting level 1 "A102401KLOC-0/010901"
Beijing Wangxin Road and Bridge Construction Co., Ltd. "Grade I General Contracting of Highway Engineering Construction"
First-class contracting of highway pavement engineering specialty
Grade I "A102401KLOC-0/022702" for highway subgrade engineering.
The engineering qualification of Xing Xing Communications Engineering Technology Co., Ltd. for contracting communication, monitoring and toll collection integrated system of highway traffic engineering specialty B540141010801.
Beijing Yunxingyu Traffic Engineering Co., Ltd. has the professional contracting qualification B5284011010604.
Enterprises with the first-class qualification of highway engineering construction and the first-class contract of tunnel engineering specialty.
China Construction Fifth Engineering Bureau "Grade I General Contracting of Highway Engineering Construction"
First-class contracting of highway subgrade engineering specialty
Tunnel engineering professional contracting level "A00111430101"
China Luqiao (Group) Corporation's "General Contracting Fee for Highway Engineering Construction"
First-class contracting of highway pavement engineering specialty
First-class contracting of highway subgrade engineering specialty
First-class contract of bridge engineering specialty
Tunnel engineering professional contracting level 1
Engineering qualification of comprehensive system for contracting communication, monitoring and charging for highway traffic engineering specialty "A00211010/01"
The Seventh Engineering Bureau of China Water Resources and Hydropower Bureau "Grade I Contract of Highway Subgrade Engineering"
Tunnel engineering professional contracting level "A0051151012401"
China Railway Engineering Corporation "highway engineering construction general contracting level 1.
First-class contracting of highway subgrade engineering specialty
First-class contract of bridge engineering specialty
Tunnel engineering professional contracting level "A0031101010/201"
Zhonglutong (Beijing) Tunnel Engineering Co., Ltd. "Grade I General Contracting of Highway Engineering Construction"
First-class contract of bridge engineering specialty
First-class contracting of highway pavement engineering specialty
First-class contracting of highway subgrade engineering specialty
Tunnel engineering professional contracting level 1 "A102411010601"
The Fourth Engineering Co., Ltd. of China Railway Second Bureau "Grade I General Contracting of Highway Engineering Construction"
First-class contracting of highway subgrade engineering specialty
First-class contract of bridge engineering specialty
Tunnel engineering professional contracting level 1 "a110415101301.
The Fifth Engineering Co., Ltd. of China Railway Second Bureau "Grade I General Contracting of Highway Engineering Construction"
First-class contracting of highway pavement engineering specialty
First-class contracting of highway subgrade engineering specialty
First-class contract of bridge engineering specialty
Tunnel engineering professional contracting level 1
“a 1 104 15 1060 10 1
China Railway 20th Bureau group second engineering co., LTD. "highway engineering construction general contracting level.
First-class contracting of highway subgrade engineering specialty
First-class contracting of highway pavement engineering specialty
First-class contract of bridge engineering specialty
Tunnel engineering professional contracting level 1 "b127415301kloc-0/01.
China Railway 20th Bureau group fourth engineering co., LTD. "highway engineering construction general contracting level.
First-class contracting of highway subgrade engineering specialty
First-class contract of bridge engineering specialty
Tunnel engineering professional contracting level 1 "A10341370 201KLOC-0/"
China Railway 20th Bureau group first engineering co., LTD. "highway engineering construction general contracting level.
First-class contracting of highway subgrade engineering specialty
First-class contract of bridge engineering specialty
Tunnel engineering professional contracting level 1 "A1024161050201"
China Railway 20th Bureau group co., ltd. "highway engineering construction general contracting level.
First-class contracting of highway subgrade engineering specialty
First-class contract of bridge engineering specialty
Tunnel engineering professional contracting level "A0034161KLOC-0/1201"
China Railway Third Division Group Co., Ltd.
China railway 18 th bureau group 2 nd engineering co., ltd
China railway 18 th bureau group 3 rd engineering co., ltd
China railway 18 th bureau group 5 th engineering co., ltd
China Railway 18th Bureau Group First Engineering Co., Ltd.
China Railway 18th Bureau Group Co., Ltd.
China railway 12 th bureau group 2 nd engineering co., ltd
China railway 12 th bureau group 3 rd engineering co., ltd
the 4th engineering co.,ltd. of china railway 12th bureau group
China Railway No.12 Bureau Group First Engineering Co., Ltd.
China Railway 12th Bureau Group Electrification Engineering Co., Ltd.
China Railway 12th Bureau Group Co., Ltd.
China railway 19 th bureau group 2 nd engineering co., ltd
China railway 19 th bureau group 3 rd engineering co., ltd
China railway 19 th bureau group 4 th engineering co., ltd
China railway 19 th bureau group 5 th engineering co., ltd
China railway 19 th bureau group first engineering co., ltd
China Railway 19th Bureau Group Co., Ltd.
China Railway 10th Bureau Group No.2 Engineering Co., Ltd.
China Railway 10th Bureau Group Co., Ltd.
China Railway 16th Bureau Group No.2 Engineering Co., Ltd.
China Railway 16th Bureau Group No.3 Engineering Co., Ltd.
China Railway 16th Bureau Group No.4 Engineering Co., Ltd.
China Railway 16th Bureau Group Fifth Engineering Co., Ltd.
China Railway 16th Bureau Group First Engineering Co., Ltd.
China Railway 16th Bureau Group Luqiao Engineering Co., Ltd.
China Railway 16th Bureau Group Co., Ltd.
China railway 17 th bureau group 2 nd engineering co., ltd
China railway 17 th bureau group 5 th engineering co., ltd
China Railway No.17 Bureau Group First Engineering Co., Ltd.
China Railway 17 th Bureau Group Co., Ltd.
China Railway 13th Bureau Group No.3 Engineering Co., Ltd.
China Railway 13th Bureau Group No.4 Engineering Co., Ltd.
China Railway 13th Bureau Group Fifth Engineering Co., Ltd.
China Railway 13th Bureau Group First Engineering Co., Ltd.
China railway 15 th bureau group 2 nd engineering co., ltd
China railway 15 th bureau group 6 th engineering co., ltd
China railway 15 th bureau group 7 th engineering co., ltd
China railway 15 th bureau group 4 th engineering co., ltd
China railway 15 th bureau group 5 th engineering co., ltd
China railway 15 th bureau group electric service engineering co., ltd
China Railway 15 th Bureau Group Co., Ltd.
China Railway 11th Bureau Group No.2 Engineering Co., Ltd.
China railway eleventh bureau group 3 rd engineering co., ltd
China Railway 11th Bureau Group No.4 Engineering Co., Ltd.
China railway eleventh bureau group 5 th engineering co., ltd
China Railway 11th Bureau Group First Engineering Co., Ltd.
China Railway 11th Bureau Group Co., Ltd.
China Railway Fourth Division Group No.4 Engineering Co., Ltd.