It's UFI approved. STONETECH is the leading trade fair for natural stone & stone technology in China. STONETECH 2008 Shanghai rendered another big surprise to both exhibitors and trade visitors. It took up the whole E1,E2,E3,E4,E5,with a total size of 75,000 sqm. 960 exhibitors from China, Turkey, Italy, Brazil, Spain, Morocco, Egypt, Greece, North America etc took part in the grand event.