Quartz scratch without spending: quartz stone surface hardness higher than the hardness of iron, which means iron for home use is not easy to scratch and damage mill. Do not underestimate the problem scratch quartz materials, every scratch is soil bacterial survival. No scratches just beautiful flag quartz stone, is a sign of health. Therefore, we propose good service, better to service small quartz stone, to advise the customer does not have the quality of service is the best. Quartz Also teach you a little simple identification of high quality quartz experience: 1. Use the key or the fingernail scratch quartz stone, quartz stone if it is good, there will only be after you scrape lines, since there is no wipe eventful. And if the poor have scratch marks quartz and white powder. . 2. respectively Thickness: quartz stone countertops cabinets do thickness 12mm, 15mm two kinds of quartz although relatively brittle high hardness but some quartz stone countertops on the market, many manufacturers produce only real 14mm and 13.5mm, good manufacturers are This is not the province of 1mm, so this has been prevention, non-compliance do not buy. 3. Test sauce: soy sauce poured quartz stone countertop good days are not bleeding, poor quartz stone countertops one day use to bleed quartz _ Kai Sa Building Materials (certified) _ quartz from Dongguan City Kai Sa Building Materials Limited. Building Materials Co., Ltd., Dongguan City, Kai Sa (www.kaisa-stone.com) is Dongguan, sandstone leaders, over the years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Kai Sa leader in building materials with the staff warmly welcome all inquiries negotiations to create building materials Kai Sa a better future.