Guangzhou Tiecheng Engineering Quality Testing Co., Ltd.

Tiecheng Engineering Quality Testing Co., Ltd. of China Railway 25th Bureau is a wholly-owned subsidiary at the third level under China Railway Construction Corporation Limited (CRCC), a Fortune Global 500 company (ranked 58th in the 2017 Fortune Global 500). Located in Guangzhou, it was established in January 1954 and registered as Guangzhou Tiecheng Engineering Quality Testing Co., Ltd. in September 2007, obtaining independent legal person status. It possesses testing qualifications and capabilities in fields such as railways, highways, and municipal engineering. After years of unwavering development, the company has grown into a well-known professional testing institution in South China with considerable testing capability, technical expertise, and scale. Its testing technology has matured, and its management system has been continuously improved. It primarily undertakes testing services commissioned by construction, design, scientific research, and quality supervision departments in fields such as railways, highways, municipal engineering, industrial and civil construction, covering building materials, concrete and components, geotechnical engineering, chemistry, in-situ testing, structural non-destructive testing, and monitoring and measurement. In 2016, 2019, and 2023, it was recognized as a "High-Tech Enterprise in Guangdong Province."