- What are the equipment used for precision castingWhat are the equipment used for precision casting.Each year OBT steel develop more than 300 sets new moulds.May 11,2020
Mean while OBT steel strictly follow the Non-disclosure Agreement for our Customers.
- Types and uses of foundry sandFoundry sand is divided into silica sand and non-siliceous sand according to different mineral compositions.May 14,2019
- Visiting vietnamese customersOBT is committed to providing investment casting materials and equipments for 16 years. We can also provide more service according to customer's design requirement.April 17,2019
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