Shandong Juli company specializes in producing steel tapered conical steel and stainless steel conical steel, oval tube, oval tube, stainless steel oval, flat oval tube, flat oval steel pipe, steel pipe is oval, thin-walled elliptical tube, thick-walled elliptical tube, outside the tendon pipe, ladder pipes, diamond steel, construction sleeve,, hexagonal tubes, hexagonal steel, hexagonal cone-shaped steel pipe, steel tube inside and outside the hexagon, triangle tube, triangle tube, inside and outside the triangle steel pipe, half pipe, half pipe, stainless steel semi-circular steel pipe, bread tube, bread, steel pipe, steel concave, convex steel, ladder pipe, fan-shaped pipe, curved pipe, D-type steel, gold tube, ingot steel and other special steel pipe.