Tianjin co-worker import & export trade co.,ltd is one of the natural stone manufacturer and trading company in China. our company located in Tianjin port where is the one of most important port in the north of china, area advantage is well-known. Certainly, we will choice best port consider that the freight and factory's position.Our products included any size granite and marble slab, special stone, tombstone, countertop, artificial stone etc, which could satisfied your different need.