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- 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 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.2019-04-17
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O.B.T Manufacture - One-shop serviceOBT 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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- Types and uses of foundry sand2019-05-14
- Visiting vietnamese customers2019-04-17
