Yantai Huahong Diving Engineering Co., Ltd.

As the company continues to expand its operational scale and business scope, it has successively established 11 project offices in Yantai, Tianjin, Dalian, Qinhuangdao (including Caofeidian and Jingtang Port), Qingdao, Rizhao (including Lianyungang), the Yangtze River Estuary (including Shanghai, Ningbo, and Zhoushan), Xiamen, Shenzhen, Zhanjiang, Fangchenggang, and other locations. Additionally, the company has forged strong strategic partnerships with overseas diving companies in Singapore, Australia, Dubai, Norway, Greece, Brazil, Iran, South Korea, and other countries, ensuring that it can provide customers with timely, high-quality, and highly efficient all-round services.

Main business areas of the company: Underwater inspection of vessels (CCTV video recording and photography); underwater salvage operations (wrecks and submerged objects); non-destructive testing of underwater and above-water steel structures (magnetic particle inspection, ultrasonic testing and thickness measurement, ACFM non-destructive testing, visual inspection); underwater welding and cutting of structures; removal of marine organisms from vessel hulls; installation, dismantling, sealing, and repair of underwater engineering structures; underwater leak-stopping and reinforcement; ship towing; ship repair; fire safety and life-saving inspections; inspection and maintenance of subsea pipelines; maritime investigations; offshore rescue operations; underwater dredging; underwater concrete placement; underwater anti-corrosion treatments; underwater blasting; underwater surveying; heavy-lift operations; desilting of pools (pump houses) and waterways for hydraulic and power facilities, installation of intake and discharge pipelines, cleaning and replacement of trash racks; sealing and reinforcement of diversion tunnels and reservoir dam bodies; underwater foundation filling and leveling operations, as well as installation work on (wharf) underwater structures.

In terms of talent acquisition and team development, the company boasts a highly qualified professional and technical team. All business and technical management personnel hold Level 8 certificates in professional English and have accumulated extensive experience in diving operations and project management. The core diving team members are all veterans from the naval forces (with over eight years of diving experience) and possess many years of practical experience in underwater operations for local marine engineering projects. More than 60 divers hold “Diver Qualification Certificates” issued by the China Diving and Salvage Association, including 5 who hold Diver Supervisor Certificates, 5 who hold Diver Project Manager Certificates, 3 who hold Diver Medical Technician Certificates, and 6 who hold Diver Safety Officer Certificates; 6 hold CCS Level 2 Underwater Visual Inspection Certificates; 5 hold CCS Level 2 Underwater Magnetic Particle Inspection Certificates; 3 hold Onshore Magnetic Particle Inspection Certificates; 5 hold Underwater Ultrasonic Thickness Measurement Certificates; 3 hold Onshore Ultrasonic Thickness Measurement Certificates; 3 hold CCS Underwater Welding Certificates; and 3 hold ACFM Level 2 Non-Destructive Testing Certificates.

In terms of technological equipment and strategic development, the company currently possesses a wide array of internationally advanced equipment, including submersible support vessels, an independently developed underwater hull-cleaning robot, remotely operated vehicles (ROVs) for underwater observation, municipal pipeline inspection robots with a pipeline inspection capability of 2,000 meters, non-destructive testing equipment for underwater applications (ACFM), underwater and above-water thickness gauges, KMB diving equipment, UWS underwater video recording systems, multi-beam underwater surveying systems, hydraulically driven underwater scraping and polishing devices, underwater cutting and grinding equipment, underwater cutting and welding equipment, water-entry and exit systems, decompression chambers, cavitation jet equipment, and underwater slurry pumping equipment. These state-of-the-art tools provide robust safety and technical support for underwater construction operations.