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  • Tongda supplies cast iron castings made in lost foam casting process in China. Cast iron is a kind of material used to make lots of machinery components. It's with low production costs, but still good at wear resistance. So, for many industries that require lower strength, but require for good wear resistance, cast iron is widely used. 

    2021-12-24

  • Safety control is one of the important process during investment casting production. In our foundry, we pay lots of attention in safety training and equiped our foundry with safety instruments.

    2021-12-23

  • What is investment casting 3D Printing technology? After 20 years'development,3D printing technology is becoming more and more mature.And the production cost is greatly reduced.3D printers have been into some companies even families.3D printing is a kind of rapid prototyping technology, which is based on three dimensional digital model file.

    2021-12-21

  • Currently,technology is still the biggest problem of investment casting industry in our country.Although we are always winning good reputation from overseas investment casting specialists,there are still some bad influence for the lack of technology.So if we want to enlarge investment casting market,we must improve talents' innovative ability.

    2021-12-20

  • Tongda is one of the professional China die casting manufacturers and China die casting suppliers. We have rich experience in OEM operation. Our OEM die casting is widely used in the industries of Automobiles.G.E.T., Forklifts, Marines and Railways. The annual capacity is 25,000 tons, with 85% parts exported overseas through Ningbo Inrise International Trading Co,Ltd. Tongda has achieved a good reputation at home and abroad with its competitive prices, reliable quality, on-time delivery and good after-sale service, Tongda also aims at becoming a leading casting manufacturer in China. So, you can rest assured to buy die casting from us.

    2021-12-16

  • Thread is widely required for machining investment castings. According to the assembling purpose, customer marked drawings of castings with thread standards. We need to machine the threads when investment castings finished. Currently, we machine the threads mainly by two processes. One is lathe thread process and the other is rolling thread process. To use which process should depend on the thread requirements.

    2021-12-15

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