Gxs Marine Service Co., Ltd. is a vessel safety and inspection contractor based in Zhoushan, Zhejiang Province, working with shipowners and managers using the Zhoushan-Ningbo port cluster, one of the busiest ship anchorage and repair centres in the world. Service scope covers periodical testing and overhaul of life-saving appliances including totally enclosed and partially enclosed lifeboats, rescue boats, free-fall systems, davit and launching arrangements, on-load and off-load release gear, inflatable liferafts, immersion suits, lifejackets and pyrotechnics. Fire-side work extends to portable and wheeled fire extinguisher overhaul and recharge, fixed CO2, foam and water-spray system inspection, fire hose and hydrant pressure testing, and inspection and refilling of EEBD and SCBA breathing apparatus cylinders. The team also performs hatch cover ultrasonic tightness testing, watertight integrity testing on closures, cargo holds and door arrangements, surveys of lifting appliances and loose gear, pressure vessel inspection of shipboard receivers, and underwater inspection in lieu of drydocking through qualified dive crews. Reports are prepared to formats accepted by attending surveyors and port state control inspectors. GXS Marine Service operates within the directories of recognised service suppliers maintained by ABS, Bureau Veritas, CCS, DNV, Korean Register and Lloyd's Register, giving multi-flag owners trading through the East China coast a single regional contact for combined LSA, FFE, tightness, lifting gear, pressure vessel and in-water survey campaigns covering bulkers, tankers, container vessels and offshore craft. Workshops and equipment stocks include hydrostatic pressure rigs, cylinder filling stations, lifeboat load test water bags, ultrasonic chalk-test kits, digital thickness gauges and dive spreads, with field crews mobilising day and night across the Zhoushan anchorages and adjacent shipyard berths to align servicing with bunkering, crew change and cargo windows.