VERONA, ITALY — Tongchen Stone Co. was among the exhibitors at Marmomacc 2013 in Verona, Italy. The stone producer, which is headquartered in Shanghai, China, displayed two varieties ofwhite marble— Oriental White and China Carrara — extracted from its own quarries in China. The materials are available in slabs, tiles, mosaics and decorative trim pieces. Tongchen Stone Co. has distributors in the U.S., and the company will be exhibiting this month at the Big 5 Show in Dubai as well as Coverings 2014, which will be held in Las Vegas, NV, in April.