Artificial quartz stone procurement knowledge. Chapter One. Quartz stone market conditions and trends. Produced fake quartz 石有容 deformation, the hardness difference, easy bleeding, bubble more disadvantages Dongguan quartz, and not made by high-pressure pressing of these problems. Artificial quartz stone procurement knowledge. The second chapter; quartz stone foundation understanding. 2.2 quartz performance. Pollution is not stained: quartz stone is manufactured under vacuum and say what, dense non-porous composite material. Kai Sa quartz, Kai Sa Building Materials (certified), quartz stone supplied by Kai Sa Building Materials Co., Ltd., Dongguan City. Dongguan Kai Sa Building Materials Co. (www.kaisa-stone.com) is Dongguan, sandstone leaders, over the years, the company is 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 Kai Sa Building Materials better future.