Tangshan Hangao Special Equipment Inspection Co., Ltd. was founded in 2013 and is an approved professional inspection and testing organization for special equipment. The company is located in Lubei District, Tangshan, Hebei, with dedicated office facilities, laboratories and supporting technical equipment.
Hangao focuses on the inspection and testing of boilers, pressure vessels, pressure piping, elevators, lifting machinery and in-plant vehicles, while also providing non-destructive testing (RT, UT, MT, PT), laboratory testing, safety valve calibration and energy efficiency testing services.
Guided by the quality policy of being scientific, impartial, accurate and efficient, the company strictly follows applicable regulations and technical standards and continues to provide authoritative, timely and traceable inspection outcomes.
Protect the safety of special equipment through professional inspection technology and contribute to safe industrial and public operations.
To become a leading special equipment inspection and testing service provider in Hebei and beyond.
Scientific rigor, impartial conduct, client focus and continuous improvement built on integrity and quality.
Qualifications covering gas cylinders, breathing apparatus and safety valves while serving a wide range of industrial and public-sector clients.
Hangao maintains a broad set of inspection qualifications and continues to provide integrated testing and maintenance support.
Continuous enhancement of inspection capability and service quality through scientific, impartial, standardized and traceable practices.
Strict contract fulfillment and standardized delivery with full legal responsibility and professional accountability.
Inspection results remain independent from administrative intervention, external pressure or commercial interests.
All testing is performed according to applicable standards or agreed methods using calibrated and verified equipment.
Results are traceable and supported by equipment calibration planning to ensure reliability and comparability.
Hangao remains committed to client-oriented service, trustworthy conduct and continuous improvement, delivering dependable outcomes across pre-sales, delivery and after-service support.
Twelve years of progress in building a professional inspection brand
Tangshan Hangao Special Equipment Inspection Co., Ltd. was registered in Tangshan and started its special equipment inspection business.
Received inspection and testing approvals covering boiler and pressure vessel services.
Expanded into elevator and lifting machinery inspection and established a more complete quality system.
Invested in modern laboratories and introduced advanced NDT and laboratory equipment.
Technical staff size and client coverage continued to grow, supporting more than 200 enterprises.
Introduced digital inspection management tools to improve efficiency, consistency and service quality.
Experienced professionals supporting high-standard inspection delivery
Holding national qualification credentials for special equipment inspection
With extensive experience in field inspection and testing
Qualified in RT, UT, MT, PT and related methods
Providing efficient project coordination and client service support
