... longer using time 2.About our company NameSichuan Rulai Steel Structure Engineering Co.,Ltd.Areaover 24000 square metersFixed assetover 600 million dollarsNumber of ... design ,manufacture and installation of the structure frame, truss, purlin, color steel plate, multi-storey building projects,etc..2.Our company has more ... for more information! Look forward to cooperating with you ! RL1 color steel tile