Stone lines open and open with 20mm stone board which high price?
It should be noted that many lines are made with a variety of different shapes made of sheet metal, and often is not formed by a stone.
Because the plate if the stock or scrap to make a lot of cheap lines; and if not, because the plate contains the cost of cutting from the block, or directly cut with the Huangliao cheap;
The plate is cut from the blocks, if the answer from the above questions directly, it is not easy to say;