Hệ thống lớp lót CIPP được khắc phục tia UV

Video Description:
Discover the DN400 UV Curing Trenchless Sewer Repair Solutions, a revolutionary approach to sewer system maintenance. This advanced technology eliminates the need for disruptive excavation, offering a long-lasting, durable fix for pipes of various materials and sizes. Learn how this innovative solution can save time and costs while ensuring minimal environmental impact.
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