... protectio PP hollow board/pp corrugated sheet/Pp plastic sheet/PP PLASTIC SHEETSpecificaton(in millimeters):PP hollow sheet is made ... conductive PP hollow sheet can be used as the container of electric parts, food, drink, etc. And it can be circle- ... of transportation box, mailbox, display rack, partition, gift boxes, food packing etc. 7) Advertising: Sign board, shopwindow displays, pop- ...