How to identify quartz stone quartz stone is good or bad two, Beverly quartz stone quartz stone compared with foreign 1. Appearance: because the domestic quartz fledgling Kai Sa quartz stone, abrasive domestic manufacturers invest more in this area is lagging behind quartz stone building materials, but the company can not wait Beverly quartz plate, so Beverly The company has specialized organizations polished group, as a subject, draw extensively on foreign experience, clear milestones. I believe in the short term will make our product quality has been greatly improved from the surface. Characteristics of quartz and quartz stone has the characteristic of reason quartz using a selection of natural quartz crystal minerals, its content is more than 99.9% SiO2 quartz stone, and in the manufacturing process to the complex purification, the raw material does not contain anything that might lead to heavy metal impurity radiation, 94% of quartz crystals and other resin additives make no radiation pollution quartz stone quartz stone structure | Kai Sa Building Materials (certified) | quartz by Sa Building Materials Co., Ltd., Dongguan City, Kai. 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.