产品规格（Product Specifications）：
内径Inner Dia. 50～150 mm
产品说明：
复合软管用铝箔复合膜缠绕高强度钢丝加PVC膜制作而成。适用于中央空调和排气系统及矿企业除尘系统等方面。
Product Features:
It is made of aluminum foil composite film and PVC film winding with high strength steel wire. It is suitable for central air-conditioner , exhaust system and dust dust pelletizing systems in mines and factories.