Tianjin Rainbow Steel Group ni o ni pipe tutu lara, punching ati alurinmorin equpment ati ki o ọlọrọ RÍ osise egbe.Awọn ọja ti o wa pẹlu ASTM boṣewa WF beam solar ipile piles, tutu-fọọmu C / U-Iru ilẹ piles, support afowodimu, ati iyipo onigun tubes / yika oniho fun oorun olutọpa ati orisirisi tamping ati alurinmorin apoju awọn ẹya ara.Awọn ọja ti wa ni o gbajumo ni lilo ni ilẹ PV iṣagbesori eto, slar tracker eto, fishery oorun iṣagbesori eto ans PV ogbin greenhouses, ati be be lo.