Produced
strictly in accordance with GB/T14823.1-93 and BS4568-1970, LIANSU Electrical
Metallic Tubings have two different kinds of production process, one is ERW
Black first, and then hot-dip galvanized, the other is using galvanized sheet
to welded, and then zinc spraying to the welded line. Therefore, our products
have different corrosion grades. Moreover, our products have good fire
resistance, corrosion-resistant and simple structure, and they can protect the
wires under a harsh environment. They will be the electric installation
engineerings' preferences.
wires are extensively used in the telecom, electric and other fields