Tongyu Heavy Industry Co., Ltd. is a high-tech enterprise located in the National High-tech Industrial Development Zone of Dezhou (Yucheng) in Shandong Province. It was listed and traded on the Shenzhen Stock Exchange GEM on March 8, 2011 (Securities abbreviation: Tongyu Heavy Industry, securities code :300185). In August 2020, the company completed the change of its controlling rights and officially became a subsidiary of Zhuhai Port Holdings Group, embarking on a new starting point for the rapid development of Tongyu Heavy Industry, the holding of Zhuhai Port Group.

As of the end of June 2022, the total assets were 15.947 billion yuan and the net assets were 6.808 billion yuan. It owns Yucheng Baotai Machinery Manufacturing Co., Ltd., Yucheng Baoli Foundry Co., Ltd., Shandong Xinshang Materials Co., Ltd., and Qingdao Baojian Technology Engineering Co., Ltd. , Qingdao Baotong Import and Export Co., Ltd., Guizhou Baofeng New Energy Development Co., Ltd., Changzhou Haijie Metallurgical Machinery Manufacturing Co., Ltd., Changzhou Oriental Mechanical and Electrical Complete Set Co., Ltd., Jinan Metallurgical Science Research Co., Ltd., Shandong Yucheng New Park Thermal and Electrical Co., Ltd. and other subsidiaries.

The company is engaged in the research and development, manufacturing and sales of large-scale casting and forging products. It has strong technical R&D capabilities, the quality control system is operating well, and the testing center has passed the national laboratory certification. The company has obtained the safety registration certificate for boiler pressure vessel forgings and nine classification societies: CCS, BV, DNV-GL, RINA, ABS, NK, LR, KR and RS. After years of development, a complete industrial chain has been formed that integrates the preparation of large-scale casting and forging blanks, casting and forging, heat treatment, machining, and design and manufacturing of large-scale complete equipment, and can be energy power (including wind power, hydropower, thermal power, nuclear power), The mining, petrochemical, offshore equipment, pressure vessels, machinery and other industries provide large-scale casting and forging parts and core components, and has now become the research and development and manufacturing base for core products and large-scale high-tech major equipment required for national economic construction and national defense construction. With excellent product quality, we have established stable cooperative relationships with many domestic and foreign customers such as GE in the United States, Ender in Germany, Anxin Neng in Spain, and Vestas in Denmark.

The company has now become an important MW-class wind turbine spindle production base in China, an important ductile iron pipe mold production base in Asia, and one of the major manufacturers of large casting and forging parts in China. It can be metallurgy, mining, hydropower stations, thermal power stations. , wind power plants, nuclear power plants, ships, petrochemicals, heavy machinery, marine engineering, aerospace, molds and other industries provide grade 1-5 large forgings, castings and core components. The main products include MW-level and above all wind turbine spindles, DN50-2600mm ductile iron pipe molds, cold rolled work rollers, large support rollers, large steam turbine and generator rotor shafts, large crankshafts, marine shaft systems, pressure pipelines, double Supercritical power station boiler pipes, pressure vessel forgings, machine tool beds, wind turbine hubs, large internal combustion engine castings, large forging blanks, electroslag remelting ingots, etc., and can design and manufacture various general and non-standard equipment and spare parts.