Sand blasting and matter finishing are all widely used surface treatment processes for investment castings. They will be applied according to different requirements.

Tongda foundry is a casting factory mainly custon investment castings for customers all over the world.We are a top investment casting foundry located in Ningbo,China.Our management idea is to help our customers to buy cheap investment castings from China on the basis of good quality.Today we would ......

Water glass casting is one kind of the investment casting process, which is seldomly used in other countries. But is widely used in Chinese foundries for more than 50 years. Lot of spare parts for machine building or construction projects are made in such casting process. Water glass casting factori......

Deformation is a common defects on the steel castings. Then, how to reshape the deformation of steel castings？There're mainly two methods to reshape the deformation of steel castings during our investment casting process. One is cold shaping. The other one is hot shaping.

Besides investment casting technology, there're lots of other metal shaping processes in Tongda. Our company is experienced in sourcing such products for customers. Let's talk about these metal shaping processes briefly here.