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Chengdu Tangyuan Electrical Co., LTD. was found in 2003 by Prof. Yu Wanju and Prof. Chen Tanglong from Southwest Jiaotong University. The company is committed to high voltage technology, power electronic technology, microelectronics technology, computer technology, laser technology, image processing technology, GPS satellite positioning technology, 3G wireless network transmission technology and electric railway Internet of Things technologies application research.
The company is a high-tech company specializing in research, development and manufacture for the detection of the high-speed electric railway catenary and the urban rail transit catenary, detection of the railway, detection of the gauge, and the traction power supply information product.
Relying on the Southwest Jiaotong University, the company makes full use of the advantages of the institutes of higher learning, such as the strong scientific research strength, the advanced science and technology, and the combination of multi-discipline. Following the development of electric railway of China, the company successful developed Catenary detection vehicle of TJJC series,Working Vehicle for catenary detection  vehicle of TJWC series, TDJC-1-type subway catenary detection system, TDGJ-1-type  subway rail detection system,TDSG-1-type Metro Gauge Detection System,TDSG-1-type Metro Third Rail Detection System,The hand-held Catenary detection instrument,The joint split- phase overvoltage elimination device for Electrified railway,The arcing detection device by Ultraviolet These excellence and technical innovative products are immediately accepted by the market, and these products received widely welcome and high praise from electric railway operation units, urban rail transit operating companies and railway construction engineering bureau.
The company has perfect management system and advanced management level, and passed the ISO9001:2000 quality management system certification in 2005. The company has long term cooperation with domestic and foreign counterparts, absorb and introduced the cutting-edge technology of the products from Germany, Italy, United States, Japan, France, India, Australia and Austria. At the moment, the company has established the good partner relations with the organizations such as Tecnogamma Company in Italy, DB company in Germany, Yardway company in Hong Kong, Gemac Engineering Machinery Co., Ltd., Baoji CSR Times Engineering Machinery Co., Ltd., China Railway Baoji Machinery Co., Ltd.,, Tangshan Railway Vehicle Co., Ltd., CSR Qingdao Sifang Locomotive & Rolling Stock Co., Ltd., Changchun Railway Vehicle Co., Ltd., Hohai University, Beijing Normal University, China Electronics Technology Group Corporation No.29 Research Institute, Railway Survey & Design Institute Group Co., Ltd., The Institute of Optics and Electronics The Chinese Academy of Sciences.

With the strong technical strength, advanced technology, efficient and flexible operational mechanism, and the unremitting pursuit spirit of quality and credibility, the company serves the clients and the market. The company has become a leading electric railway detection s and the railway power supply information products manufacturer at domestic and foreign.

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Inspection Car
Dynamic Inspection devices
Urban Rapid Transit Inspect
Power Supply Safety Inspect
Other Electrification Measur
Ground Power Solutions
Automotive product solutions
Traction power supply
Catenary Inspection Vehicle
Urban rail traffic detection
Catenary operation vehicle
High-speed catenary
Catenary Engineering Bureau
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