... to form BOPS plastic sheets stc. produce boxs,dishes,bolws and lids,such as cake box, fast-food box,supermarket. ... products are applied to pack toys, hardware, cosmetics, electronic products (batteries, electronic components and so on), foodstuff (fruits pallets, snack boxes, biscuit ... Second Vacuum: It is beneficial to form the products well and improve the quality of products.3. Second Upper Mould: ...