Packing:5 pieces to a carton. 30cartons to a crate. 13.5sqm(150square feet) per crate. Gross weight:After packing, it is around820kgs/crate. If a 20ft container allows 24tons, we can load about 391.5m2. Inside the crate, we will put a sheet of plastic film to keep off water and dust. Such method of packing can stand long-distance transporting and ocean shipping. Quality Control: Each piece/panel of should be inspected one by one before loading and shipping out. So that customer will get eligible cargo. Production time: We need 11days to prepare order quantity of one full 20ft container. Port of exporting: Xingang in Tianjin, China. Payment terms: (1) T/T 40% as down payment, balance paid before surrendering Original Bill of Lading. (2)L/C at sight.