... line drawing dies material:carbidethe min order:1piecemanufacture factory the wire:1.high wear-resistant2.superior resistance to pulling 1. ... tubes, and brass. The company produces carbide spiral, hexagonal, flat wire, copper bars, oval, semicircular, triangular, rectangular and other shaped ... to customer’s drawings or actual samples. We can also design the mold to meet your demand. The function of the ...