方管廣泛用于建筑，機械制造，鋼鐵建設(shè)等項目，在造船，太陽能發(fā)電支架，鋼結(jié)構(gòu)工程，電力工程，電廠，農(nóng)業(yè)和化學機械，玻璃幕墻，汽車底盤，機場,鍋爐建造，高速路欄桿，房屋建筑，壓力容器，石油儲罐，橋梁，電站設(shè)備，起重運輸機械及其他較高載荷的焊接結(jié)構(gòu)件也有大量使用。

Square pipes are widely used in construction, machinery manufacturing, steel construction and other projects, such as shipbuilding, solar power generation bracket, steel structure engineering, power engineering, power plant, agricultural and chemical machinery, glass curtain wall, automobile chassis, airport, boiler construction, high-speed rail, building, pressure vessel, oil storage tank, bridge, power plant equipment, lifting and transportation machinery and other high-load projects. Welded structural parts are also widely used.