... Introduction Shandong Boxing Huihuang Import And Export Co.,Ltd is a manufacturer of galvanized steel coil and color coated steel coil ... .Now it is widely used in large workshop,purifying workshop,villas,offices,supermarket,the cold storage,the virtual kiosk,the roof,and ... with two bands through the eye of coil (or not) and one circumferential, the contact points of these bands on the coil edge to be ...