... 3.Non-fading&durable 4.Nice col Natural Hubei Gray Slate Tile Rectangle Barn Roofing 1. ... advance, the balance against the copy of B/L 10) Free Samples are available, but delivery fee ... color, size thickness tolerance,workmanship, surface treatment, packing way, crate, gaps, inspection rate etc., QC will write ... /container after deposit12. Payment Terms:by TT or L/C at sight, 30% deposit, the balance ...