Specializing in the production of plastic chain warning chain, a protective chain, 2MM,3MM,4MM,6MM,8MM variety of specifications, a variety of colors and can produce various color phases, arbitrary long. The main highway safety protection for road construction safety facilities, parking, a pier, toll stations, hotels, shopping malls. Place facilities, public protection, traffic roadblocks, superscript warning, warning. Can be used to peg clothes,