CNOOC Inspection Technology is a Tianjin-based inspection and engineering firm operating within the wider China National Offshore Oil Corporation group, supporting offshore platforms, subsea pipelines and commercial vessels active in the Bohai Bay and across CNOOC's wider operating areas. The team draws on inspection and testing capability built up by the parent oil and gas group, with experience in non-destructive testing, underwater inspection, condition monitoring and offshore facility integrity work. Technicians carry out ultrasonic, magnetic particle, dye penetrant and visual NDT examination of welds, plating, structural members and pipeline components, while diver-technicians and ROV teams handle in-water surveys of hull plating, sea chests, propellers, rudders, anodes and submerged structures on commercial tonnage and offshore installations. Hull ultrasonic thickness gauging supports steel-renewal decisions, and ultrasonic hatch cover testing combined with watertight integrity testing protects cargo holds, bulkheads and weather deck closures on bulk and general cargo vessels. CNOOC group inspection activities hold ISO 9001, CNAS national laboratory accreditation, CCS offshore facility testing agency accreditation, Canadian CSA W178.1 accreditation, DNV automated ultrasonic qualification and radiation safety licensing among their qualifications. The Tianjin firm holds service supplier recognition under ABS, BV, CCS and DNV for relevant marine inspection categories, supporting acceptance of reports during classification, statutory and offshore facility survey activities. The Tianjin location places the team close to Bohai Bay operations and to major North China shipping terminals, with engineers mobilising across China and to international assignments for owners, operators and offshore contractors in the energy and shipping sectors.