Closed water blocking, factory production and sales promotions

Closed water blocking, factory production and sales promotions use special materials to have professional protective layer, thus sealing bag applicable to all types of pipes. The inflatable pipe sealing bag with a strong expansion force and light weight, cost-effective plugging the maximum diameter of the pipe. Closed water blocking, factory production and sales promotions, closed water pipes blocking simple check intuitive, timely check and eliminate quality problems during construction operations. Pipelines sealing bag with airtight, elastic degeneration, wear resistance, acid resistance, anti-aging, cheaper, better quality, more perfect, more intuitive detection, etc., can be used for φ500,800,1000,1500 , 2000, 2500 and so on a variety of diameters of cast iron or plastic pipes. http://xueleiqinang.cn.china.cn/ Hebei snow Lei Rubber Products Co., Ltd. 18,332,458,029