- Qingdao O.B.T Manufacture Co., Ltd.
- The guarantee of quality come from standard services
Casting machine
OBT has more than 70 kinds of precision casting equiment,is the most advanced silicon sol casting equipment.
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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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