Zhenjiang Xinhuadian Construction Quality Testing Co., Ltd. was registered in May 2004 as a state-owned enterprise and is a wholly owned subsidiary of China Energy Engineering Group Jiangsu Province Electric Power Construction No.3 Engineering Co. Although the source dataset lists Jingjiang as the city, the company is headquartered in Zhenjiang, Jiangsu Province on Xuefu Road in Jingkou District. Xinhuadian holds a Class A approval certificate for special-equipment inspection and testing bodies, China Metrology Accreditation (CMA) qualification and China National Accreditation Service for Conformity Assessment (CNAS) laboratory accreditation, together with a radiation-safety licence and integrated management-system certificates for quality, environmental and occupational health and safety. Its scope of work covers non-destructive testing and physical and chemical inspection for thermal-power, nuclear-power, wind-power, electrical-equipment overhaul, chemical-equipment overhaul and offshore-engineering manufacturing projects, as well as construction-material testing, building-structure and component testing, foundation testing, engineering surveying and mapping. The dataset records categories of hatch-cover ultrasonic testing, watertight integrity testing, underwater inspection and NDT and remote inspection for Zhenjiang Xinhuadian Construction Quality Testing Co., Ltd., with ABS, CCS and DNV service-supplier approvals cited and the firm working from a Zhenjiang base near the Yangtze River shipbuilding belt.