Black wires are made of high-quality low-carbon raw materials by wire drawing and annealing. Finished products smeared with rustproof oil are not easy to rust, can be bundled up according to customers' requirements, weighing 1-50Kg each, or can be made into U-shaped wires or cutoff wires, have inner plastic packaging and outer linen packaging, and are mainly used as binding wires, building wires, etc.
