Riyue Heavy Industry Co,Ltd (China)

Riyue Heavy Industry Co., Ltd is a privately-owned listed company (stock code: 603218) located in Ningbo, Zhejiang Province, China. Established in 1984, the company specializes in the research, production, sales, and service of casting, and is recognized as a high-tech heavy industry enterprise. With a scientific mechanism and system in place, Riyue Heavy Industry focuses on casting large and extra-large heavy equipment components. The company has experienced rapid development and has become one of the largest domestic casting production enterprises, known for its production of "thick-section nodular cast iron castings." Riyue Heavy Industry occupies an area of 170,000 square meters and employs a total of 1,200 people. Riyue Heavy Industry possesses over 140 sets of large and medium-sized production equipment, including advanced resin sand casting production lines, cupolas, induction furnaces, and post-casting equipment such as large shot blasting machines and heat treatment furnaces. The company also has more than 70 testing instruments and equipment, including advanced testing instruments such as a direct-reading spectrometer imported from Germany, an infrared carbon-sulfur analyzer, a mechanical performance testing machine, a large horizontal microscope, and an ultrasonic flaw detector. The company has established a provincial enterprise engineering technology center in collaboration with Tsinghua University, Hunan University, and other universities. Its casting technology center has been recognized as a provincial enterprise technology center in Zhejiang Province. The company's "thick-section nodular cast iron mold castings for injection molding machines" has been included in the national Torch Program. Riyue Heavy Industry's main casting products include large wind turbines, large diesel engines, large injection molding machines, large machining centers, and large mining machinery. With an annual production capacity of 200,000 tons, the company primarily produces ductile iron, gray iron, and vermicular cast iron, with various grades such as QT350-20, QT400-18, QT450-10, QT500-7, QT600-3, QT700-2, QT800-2 for ductile iron, HT200, HT250, HT300 for gray iron, and RUT300 for vermicular cast iron. The maximum wall thickness for ductile iron castings is 1200 millimeters, and the maximum weight for a single casting is 160 tons. Riyue Heavy Industry has strong and responsive research and production capabilities. The company adheres to a research path closely integrated with military and geological research institutes. In recent years, it has successfully collaborated with multiple research institutes, covering various fields such as key castings for large ship power systems, key castings for large diesel engines, key castings for megawatt-level wind turbines, key castings for large mining machinery, key castings for large injection molding machines, and key castings for large machining centers. The company's castings absorb the strengths of domestic and foreign counterparts, and their performance and structure are at the forefront of the domestic industry. Riyue Heavy Industry has gained the trust of customers and enjoys a good reputation in the casting industry. The company plans to focus on research and development projects in key areas such as key castings for military aircraft and large aircraft equipment, key castings for tanks and large transport machinery diesel engines, key castings for power systems of military large ships, and key castings for military large diesel engines. Riyue Heavy Industry has a nationally recognized testing center, a provincial enterprise technology center, and a post-doctoral research workstation. It has obtained ISO9001, ISO14001, and OHSAS18000 system certifications, as well as certifications from shipbuilding product factories in China, the United States, Italy, the United Kingdom, France, Norway, and other countries. The company holds 80 patents with complete independent intellectual property rights, including 36 invention patents. It has received 12 provincial and municipal science and technology progress awards and has participated in the drafting of 19 national and industry standards, including "Gray Iron Castings" and "Nodular Iron Castings."