Synthetic quartz stone quartz stone placed on the surface of the liquid for a long time only with water or with ordinary household cleaners scrub rag Dongguan quartz stone, if necessary, can also be used to scrape the surface of the blade retention thereof. Dan Guangze bright synthetic quartz surfaces are polished after dozens of complex treatment process will not be scratching knife blade synthetic quartz quartz stone quartz stone surface smooth, no scratches stranded Kai Sa quartz stone, dense nonporous material structure allows bacteria nowhere to hide, the material produced by the US NSF certification, direct contact of quartz with food, completely non-toxic. We use a selection of natural stone crystalline mineral, SiO2 content of more than 99.9%, and in the manufacturing process to the complex purification quartz plate | quartz | Kai Sa Building Materials provided by Kai Sa Building Materials Co., Ltd., Dongguan City. Building Materials Co., Ltd., Dongguan City, Kai Sa (www.kaisa-stone.com) strong, credible, in Dongguan, Guangdong sandstone industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving Kai Sa innovative ideas will lead into the glorious building materials and you work for a better future!