... Magnesium oxide board; Features:1).The first OEM shell mosaic factory,we only product all kinds of shell ... by 15days depend on quantities, 3). Stronge ability:We have two factory,can meet your any needs; ... :Small orders in a week,others up to the needs; Note:Dear clients, for knowing your idea ... 2. The size and the usage of your shell tiles;Pls give us your idea totally,,then we will give the good advice ...