telegraph wire
7.Owned steel wire welding equipment, Telegraph kits More equipment, frame welding equipment, network coverage Zhangjin equipment, corrosion spraying equipment through-train production processes, 2003 with an annual package More fencing, galvanized fence were 200,000 square metres, of which frame-assembly fencing 40,000 square metres (over 3,500 sets), on-site construction around 25,000 square metres.

