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Qingdao O.B.T Manufacture Co., Ltd.
Qingdao O.B.T Manufacture Co., Ltd.
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          • Steel Pipe Manufacturer
          • STEEL HOLLOW SECTION
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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. ...
          NAVIGATION
          • HOME
            • ABOUT US
              • History
              • Vision&Values
            • SERVICE
              • Technical Support
              • Customized Raw Materials
              • Exclusive Solution
              • Overseas Service
            • PRODUCT
              • Mullite Sand
              • Colloidal Silica
              • Casting Wax
              • Casting Machine
            • INVESTMENT CASTING
              • CONTACT US
                • NEWS
                  • FAQ
                    • FAQ
                  CLASSIFICATION
                  • Mullite sand
                  • Colloidal silica
                  • Casting parts
                  • Casting machine
                  • Fused Silica Products
                  • Casting Wax
                  LATEST POSTS
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                    Common Materials for Casting Engine PartsJune 28,2022
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                    CNC machined parts require clever design and detailed analysis for professional results.June 27,2022
                  • Ferrous vs. Non-Ferrous Metals for Castings
                    Ferrous vs. Non-Ferrous Metals for CastingsJune 22,2022
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