What are the equipment used for precision casting
What are the equipment used for precision casting
2020-05-11
Company News
Types and uses of foundry sand
Foundry sand is divided into silica sand and non-siliceous sand according to different mineral compositions.
2019-05-14
Visiting vietnamese customers
OBT is committed to providing investment casting materials and equipments for 16 years. We can also provide more service according to customer's design requirement.
2019-04-17
