萬巢專業建筑工程用PVC-U電工套管是建筑電氣安裝工程中保護并保障電線或電纜布線的管道，用于電線或電纜的穿入與更換。電工套管管材及管件是以聚氯乙烯樹脂為主要原料，添加特殊助劑，經擠出和注塑加工而成的穿線管材及管件，具有抗壓力，耐腐蝕，防蟲害、阻燃、絕緣等優異性能，施工中還具重量輕、運輸安裝方便、施工快捷等優點，主要用作電氣、通訊線纜套管。

　　PVC-U electrical sleeve used in Wanchao professional construction engineering is a conduit to protect and protect the wiring of wires or cables in the construction electrical installation engineering, which is used for the penetration and replacement of wires or cables. The electrical casing pipes and pipe fittings are the threading pipes and pipe fittings made of PVC resin as the main raw material, adding special additives, and processed by extrusion and injection molding. They have excellent properties such as pressure resistance,corrosion resistance, pest prevention, flame retardance, insulation, etc. they are also light in weight, convenient in transportation and installation, and quick in construction, and are mainly used as electrical and communication cable casings.