The quality of the cast iron is the key to ensuring the quality of the hydraulic parts. Hengli has made huge investment to make sure Hengli has the leading technology in every aspect of the industry, including materials performances, design capability, cast iron techniques, and testing. Our professional technicians in charge of the manufacturing processes along side German and Japanese casting specialists have achieved major breakthrough on the research of high precision cast iron techniques, and mastered core cast iron techniques that are leading on the international scale, such as liquid iron refinement, sand core refinement, digital casting process analysis, and green sand modeling. This has built a firm foundation for Hengli to become a world leading hydraulic parts manufacturer.
Cast iron techniques: green sand casting, mental model casting, resin sand casting Materials: nodular cast iron QT400-700, grey cast iron HT200~300 Production capacity: 25000T yearly Automatic modeling size range: 1000x800x640mm Largest single casting has weight up to 4T
Inner gear rings
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