... weight is about 1.5 ton, each 20F-container can hold about 7,000-9,000 pieces ... It is so far the most economical roof age, for it is waterproof and heatproof, freezing tolerance, fireproof ... ResultManpower Resistant, ClimateResistant and Aging ResistantPainting film without splitting with 100h, without pulverization, without bubbles, without obvious ... changes color stone coated roof tile made in china