... to make the big cold room ,we can make 2000 square meters one day,the thickness we can make 50mm , 75mm ... the small cold storage,this panel only can produce 200 square meter everyday.,we can make 75mm , 100mm , 120mm , 150mm , 180mm , 200mm ... .,the lengest of this panel only can make 6.5 meter.Skype:Kathleen_plantpanel Tel: 86-632-5598006 Fax: 86-632-5898098Mob ...