• Design of mining high strength circular aluminum column skeleton material, may be resistant to excess load, safe non-General sheet metal type low-priced products can match.
adopt high strength steel skeleton-type arc aluminum column design, can withstand heavy load, safe non-general sheet metal type low-priced products can match.
L adopt high strength type arc aluminum column frame material design, can withstand heavy loads, safety of high non general sheet metal type low-priced products can be compared.