Company News

What are the equipment used for precision casting
What are the equipment used for precision casting.Each year OBT steel develop more than 300 sets new moulds.
Mean while OBT steel strictly follow the Non-disclosure Agreement for our Customers.
May 11,2020
Types and uses of foundry sand
Foundry sand is divided into silica sand and non-siliceous sand according to different mineral compositions.
May 14,2019
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.
April 17,2019

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O.B.T Manufacture: One-shop service
OBT Mining as the China No.1 biggest manufacturer for mullite sand which has been supplying to Germany Thyssenkrupp,totally capacity 200000tons and OBT casting subsidiary factory specializing in R&D and manufacturing of precision casting equipment, precision metal products processing and precision casting process. Comprehensive company for technical research and supply for the invesment casting sand and machines. ...

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