Chiếc lớp phủ UV siêu lớn DN1650 dài 65m đã được lắp đặt tại Thanh Đảo Shandong

Video Description:
Discover the installation of our Super Large UV Liner DN1650 by 65m length in Qingdao, Shandong. This trenchless pipeline construction solution offers a 50-year lifespan, cost-effective installation, and eco-friendly benefits. Perfect for sewer repair and replacement without excavation.
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