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By certification 
Shaanxi Toptech Titanium Industry Co.,Ltd is one of the best China niobium bar manufacturers and suppliers, welcome to wholesale quality niobium rod products from our factory and company.
Size: Dia(3.8~80)mmx L
Grade: Nb1,Nb-Ti ;
Standard: ASTM B392;
Application: Semiconductor materials, vacuum coating, sintering trays and boats, special chemical applications.
