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OBT is a professional manufacturer, supplier of refractories germany, we provide refractories germany OEM & ODM wholesale, refractories germany price and more questions, please contact us and follow our Facebook , We will respond in a timely manner, we are not the lowest price of refractories germany, but we will provide you with better service.refractories germany
1 products foundColloidal silica is a dispersion of nano-sized silica particles in water or in a solvent. It is ordless and non-toxic.- KEEP UP TO DATE
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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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