TianGong Marble Co. Ltd It is locate in the northern stone exported base of China is the member of all type committee of national building materials. We have our own quarry for basalt and a factory, quarry and factory are in wulian town rizhao city Shandong province, near Qingdao ports. The factory set up in 1994, through more than 10 years hard work, it has developed a big scale cooperation which integrates mining concession stone products development and production, architecture decoration and design, construction design etc. [Detail]