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Color classification: pure tungsten rod φ0 25*150mm*1 piece, pure tungsten bar φ0. 3*150mm*1 piece, pure tungsten bar φ0. 5*150mm*1 piece, pure tungsten bar φ0. 8*100mm*1 piece, pure tungsten bar φ1. 0*150mm*1 piece, pure tungsten rod φ1. 5*150mm*1 piece, pure tungsten bar φ2. 0*150mm*1 piece, pure tungsten bar φ2. 4*150mm*1 piece, pure tungsten rod φ3*100mm*1 piece, pure tungsten rod φ4*100mm*1 piece, pure tungsten rod φ5*100mm*1 piece, pure tungsten rod φ6*100mm*1 piece, pure tungsten rod φ7*100mm*1 piece, pure tungsten rod φ9*100mm*1, pure tungsten rod φ10*100mm*1 piece, pure tungsten rod φ10*100mm*1 piece, pure tungsten rod φ12*100mm*1 piece, p