Chengde tiancheng stone is located in the famous nature stone royal garden chengde, abundant resources, including the stone is the famous: chengde green,Gold drill, blue, green, agate etc.Recently, my company and found a brown stone, this product yield, color and small gold drill.Rival.Suitable for large outer wall,more than 10 million square meters of plank.My company is unique, named "tiancheng".Besides, the company Is the production of export products export platesheet etc.More...