second hand roofing sheets corrugated zinc sheet Export standard package:bundled wooden box or be required; The inner size of container is below: (1)20footGP:5.8m(length)x2.13m(width)x2.18m(high)about 24-26 CBM;(2)40footGP:11.8m(length)x2.13m(width)x2.72m(high)about 68 CBM. We will packing as the factory, and reach the stander of export.Or as the customer request. In addition,We will make the products with good surface protection.