Insulators and fittings for overhead lines. Metal fittings. Galvanized square tubes (TG).
架空线路用绝缘子和配件。金属配件。镀锌方管(TG)。
Ventilating tubes are made of galvanized steel plate, the gap between the joint of air tube and air well should be filled with incombustible materials.
通风管采用镀锌钢板制作，风管与风井连接处缝隙应用不燃材料填实。
Produce a variety of light tubes, single-sided plated steel, single-sided galvanized, stainless steel tube.
可生产各种规格的光亮管、单面镀钢管、单面镀锌、不锈钢管。
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