... panel by the continous line and PU panel with cam lock two kinds of panel. NO 1:PU panel by ... to make the big cold room ,we can make 2000 square meters one day,the thickness we can make 50mm , ... length can do as your order.NO 2:PU cam lock panel ,this panel is used to make the small ... cold storage,this panel only can produce 200 square meter everyday.,we can make 75mm , 100mm , 120mm , 150mm , ...