Our head of the Vietnamese market visits customers 5-10 times a year, communicates and guides customers on site, Customers are very satisfied with our products, and we are promoting some exciting new customized production projects!
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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. ...