- Qingdao O.B.T Manufacture Co., Ltd.
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refractories products
OBT casting part Manufacturer is a Professional China Manufacturer and Supplier of refractories products, We Provide Custom Wholeslae refractories products factory, Private Label refractories products and refractories products Contract Manufacturing, Contact us now to get the best quotation for refractories products, We will respond in a timely manner, we are not the lowest price of refractories products, but we will provide you with better service.
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mullite sand is generally used in stainless steel precision casting process.
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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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