Hengshui compro rubber and plastic co., LTD., the production of brake pipe steel throat, by three layers of structure, material of nylon PA or TieFo dragon inner core and inner core in the middle of a layer or 2-3 steel wire braided layer, the outermost is a polyurethane coating, product specifications have outer: 5 * 3.2 * 3.2 mm, the skin can be made into various color according to customer requirements, product SAE1401 standard, welcome consultation discussion!