... Brand NameChangrongModel Number12*9colouryellow, red, black, blue, whitestandardAmerican style, European styleNylon tubing (PA tube, Polyamide tube), Trailer Air Brake Hose ... , seven cable volute producted by Zhuji Changrong Machinary CO.,LTD: 1.Applications: Automobile air brake ... tractors, trucks, trailers, containerized traffic and varies air brake.2.Material: PA12, PA11, PA6, PE, PU ...