The "qi feng" quartz stones produced in our company look dignitarial and luxuriant.their high quality of brightness and multicoloured as well as their characteristics of high polish,high tolerance agaist pressure and abrading,equality in color and lustre,nicety of size and non-radioactivity,etc win the inspection appraise from the nation authorized department(the test centre of nation architectural material).our products onform to a standard of the international architectural material emitting sanitation defense,and they are the typically new and safe for the environment decorative material,favored by thousands of users.so they sell well both in domestic and abroad.