Headquartered in Xi'an, Shaanxi Province, Xi'an Maurer Petroleum Engineering Laboratory Co., Ltd. is an inspection, materials testing and integrity engineering house with around seventeen years of experience in storage tank, pipeline and advanced NDT inspection for the oil, gas, petrochemical and energy sectors. The Maurer laboratory works internationally through an exclusive partnership with TechCorr Europe for storage tank, pipeline and advanced NDT inspection in China, supported by a network of more than six hundred qualified inspectors active across more than twenty countries in North America, South America, Europe, the Middle East, Russia and India. Service capability spans physical and chemical testing on metallic and non-metallic materials, failure analysis, coating inspection, erosion and wear testing, casing wear prediction and prevention, equipment supervision and consultancy on anti-corrosion alloy design, supported by laboratory analytical instruments under traceable calibration. For the marine sector, the team performs hatch cover ultrasonic tightness testing under IACS UR Z17, watertight integrity verification of weathertight doors and penetrations under SOLAS II-1, and NDT and remote inspection on hull welds, structural members, pressure components and piping systems. Reports are produced in formats accepted by class societies and flag states, supporting both newbuild quality assurance and in-service condition monitoring of operating tonnage and offshore equipment. The company is recognised as a service supplier by the China Classification Society, allowing its inspection certificates and laboratory reports to be accepted in statutory and class verifications on vessels and offshore tonnage subject to Chinese surveys and on equipment supplied to the global oil and gas industry.