Shanghai United Safety Engineering Co., Ltd. is a marine safety service contractor based in Shanghai, with workshop facilities serving merchant tonnage calling at Waigaoqiao, Yangshan, Wusong and other Yangtze River Delta ports. The scope is focused on life-saving appliances and related class-related lifting and pressure work rather than the full SOLAS bundle, with the technical team configured for periodical servicing and overhaul of inflatable liferafts, conventional and totally enclosed lifeboats, rescue boats, davits and launching appliances, hydrostatic release units, immersion suits, lifejackets and lifebuoys. Additional services include lifting appliance and gear surveys covering deck cranes, provision cranes, gangway ladders and accommodation winches in accordance with the relevant class and ILO loading-test requirements, and pressure vessel inspection on cargo and machinery-space equipment including air bottles, hydrophore tanks and CO2 cylinders. United Safety Engineering is recognised by ABS, Korean Register, Lloyd's Register and Bureau Veritas as a service supplier under their relevant LSA and lifting categories. Reports issued by the firm are accepted for SOLAS annual, intermediate and five-yearly surveys on merchant tonnage flagged with administrations that recognise these IACS members, and the Shanghai office coordinates field attendance at anchorages and shipyards along the Yangtze River Delta. The team operates a 24/7 dispatch model for emergency work and synchronises servicing windows with port-stay schedules to limit operational impact on owners and managers. Coordination between LSA, FFE and class-related work scopes is handled from one work order so multiple periodical items can be closed during a single port call, reducing off-hire time for owners and managers. Spare parts for liferaft canisters, lifeboat release-hooks, hydrostatic release units, extinguisher refills, EEBD and SCBA composite cylinders and CO2 control-station components are held in workshop stock, allowing immediate replacement of expired or non-compliant items at the time of inspection.