YG6 tungsten carbide die for drawing steel wires, non-ferrous metal wires 1. Passed ISO9001:2008; 2. Good after-service; 3. Fast quotation-24 hours;4. Good quality. Hunan O.E.D Co.,Ltd specialize in the manufacture of tungsten carbide products such as tungsten carbide strips, rods, inserts, shims, wear parts, drawing dies, drill bits, cold..