Jiangyin Marine Technical Measurement Co., Ltd. supports merchant shipping with a combined offering of hull integrity, tightness, in-water inspection and non-destructive testing services from its base in Jiangyin, Jiangsu province. Hull ultrasonic thickness gauging documents the remaining steel of plating, frames, longitudinals and tank boundaries, providing data used by owners and class surveyors to evaluate diminution and plan steel renewals during intermediate and special surveys. Ultrasonic hatch cover testing and watertight integrity verification address seal performance on bulk carrier, general cargo and multipurpose tonnage. Underwater inspection is delivered by diver teams trained to perform in-water surveys covering hull, rudder, propeller and sea-chest condition checks. The NDT and remote inspection portfolio covers welds, plating, machinery components and structural details where cracks, corrosion thinning and weld defects need quantifiable evaluation. Service approvals from ABS, BV, CCS, ClassNK, DNV, IRClass and LR demonstrate that procedures, equipment and qualified personnel meet the requirements these classification societies set for thickness gauging, in-water survey, tightness and NDT contractors. The Jiangyin team coordinates attendance around port stays, anchorages and dry-dockings in the Yangtze region, with mobilisation possible to other Chinese coastal ports when required. Reports are prepared in formats acceptable to attending surveyors and to owner, manager and superintendent departments, simplifying acceptance and integration into the vessel's class file and continuous machinery, hull or planned maintenance records used by managers worldwide. Working with bulk carriers, tankers, container ships, general cargo and multipurpose tonnage trading through Yangtze and coastal Chinese ports, Jiangyin Marine Technical Measurement coordinates equipment logistics, qualified personnel and class liaison so attending teams deliver consolidated thickness, tightness, in-water and NDT scopes within available port time and align documentation with the vessel's survey programme for the year.