Tianjin Deda Ship Technology Service Co., Ltd. is a Tianjin-based marine technical services firm supporting commercial vessels calling at the Tianjin port complex and across the wider Bohai Bay region. The company brings together a wide technical portfolio covering life-saving appliances, fire-fighting equipment, lifting gear, pressure vessels, hull thickness gauging, tightness testing, NDT and underwater inspection. Technicians carry out periodical testing of LSA and FFE items, annual servicing of lifeboats and rescue boats with their davits and launching systems, liferaft annual inspections, fire extinguisher recharging, servicing of fixed fire-fighting installations including CO2, foam and water-spray systems, fire hose and hydrant testing and checks on EEBD and SCBA breathing apparatus, immersion suits and lifejackets. Engineering scopes include ultrasonic hatch cover testing, lifting appliance and gear surveys, pressure vessel inspection, hull ultrasonic thickness gauging, watertight integrity testing, diver-based underwater inspection and non-destructive testing using ultrasonic, magnetic particle, dye penetrant and visual methods. Tianjin Deda holds service supplier approvals from a broad set of classification societies including ABS, BV, CCS, DNV, KR, Lloyd's Register and RINA for relevant categories, supporting acceptance of its reports during periodical, intermediate and special surveys under SOLAS, MARPOL and code requirements. From its Tianjin base, the firm dispatches engineers to bulk carriers, tankers, container ships and offshore vessels at northern Chinese terminals, coordinating around cargo schedules and survey windows. Through its multi-discipline scope and broad class recognition, the team provides coordinated service attendances for shipowners, managers and shipyards working through the Bohai region and adjacent ports.