70 years ago, fire hose tube with a flat loom weaving, tube diameter size deformation, low yields. The second half of 1974, industry organizations tube weaving trial group, according to the principle of knitted, woven cord using the latitude and longitude Factory wholesale, rely looped yarn tension during knitting Factory buy, use looped yarn cylinder and sinker loop, will interlacing of warp and weft to form a whole, and to become warp in the weft insertion of the tubular knitted elastic Factory, the production level of technology products plastic outlet pipe and high-pressure fire hose of highest in the nation elastic band manufacturers. Sourcing elastic preferred Yiwu Ribbon Shengwei company, cheap, specializing in the production of elastic cord Factory supply, knitting belt, and other products. According to reports, Yiwu production Ribbon products accounted for 8% of world market share. Zalman as Yiwu Industrial Co. habits are now sold with the Middle East, Japan, the United States, Southeast Asia and other countries and regions, "Sanding" company became 120 years producing decorative American "Austrian Folly" with the history of Dingpaishengchan.