RY is a Brand, which belongs to Longman International Group Co., Ltd. RY is specialized in manufacturing all kinds of truss, flight case and exhibition equipments, including triangle truss, round truss, square truss, light flight case, exhibition truss system, etc. RY truss has win the TUV certificate. We pay great attention to every procedure of the quality controll system, to guarantee that each equipment made by us is Strong, Safe, Stable. We not only make standard pro equipments, ...