... reasonable selection 3.dimension and thickness can be OEM Automatic power sliding door for cold roomPlace of Origin: Jiangsu China ( ... : 50mm,75mm,100mm,120mm,150mm,200mm quality: highSliding door internal polyurethane foam overall.Application industry:Food, industrial, supermarket ... box shell, the more enhance the overall effect.Door frame:Using aluminum alloy production, appearance is neat and ...