Gulu la Tianjin Rainbow Steel lili ndi zida zonse zozizira, zokhomerera ndi zowotcherera komanso gulu lolemera la ogwira ntchito.Zogulitsazo zikuphatikiza milu ya maziko adzuwa a ASTM WF, milu yozizira yamtundu wa C/U, njanji zothandizira, machubu masikweya a torque / mapaipi ozungulira a tracker ya solar ndi zida zosiyanasiyana zosinthira ndi kuwotcherera.Zogulitsazo zimagwiritsidwa ntchito kwambiri pamakina oyika PV pansi, ma slar tracker system, solar solar mounting system as PV farmhouses, etc.