... : rolling/powder sintering, wash/ anealing Boxin companyhas in-depth technical know-how in the field of rare and refractory metal materials ... .The products of Boxin include various rare metals products in forms of plate, strip, foil, bar, rod, wire, pipe, crucible, sputtering ... :tungsten foil, bar & rod, wire. Boxin has in-depth technical know-how in the field of rare and refractory metal materials ...