Unitone Marble&Granite Group(UMGG), established in 1996, is an integrated manufacturing enterprise which makes and supplies with various stone products. We had passed ISO9001 2000 international quality management system certification in 2004 and strictly implement quality CICC international quality standards.With development of more than ten years, we have already turned ourselves from a small workshop to a company with three excellent quarries, two factories and annual sales of over 3,000,000 US dollars.