Shandong Wantai Steel Structure Co.,Ltd is located in Shandong province,China,and we are manufacturer of Sandwich Panels and Color Steel Tiles,and we have multiple production for them.So if you are in need of any item,we can immediately provide you with large quantity of them.The more information is as followings:
Specification:YX25-205-820
Thickness:0.17-0.6mm
Technique:hot rolled
Standard:SGCC,GB,DX51D+Z
Surface tratenent:coated
Color:any  RAL colors 
Materials:galvanized,aluminium or aluminium-zinc available to make corrugated sheet as your request

Features : 1.high strength and low cost              
                2.easy installation
                3.excellent waterproofing and fireproofing 
                4.They areresistant to earthque, thphoons, excessive heat and cold

If you have interest in this product, please don't hesitate to send inquire to us. We will check and reply you as soon as possible.