How to identify quartz stone quartz stone is good or bad four, the standard authentication of quartz as a standard quartz stone identification: 15, Size: Beverly size quartz do meet 3000㎜ × 1400㎜. Thickness of 15 mm, 20 mm, 30 mm quartz plate, the plate order to produce large quantities of 12 mm. A quartz process: raw material 3, laying mold bottom paper: ready to die in the bottom layer of the same size bedding kraft role is to solidify easily removed after between quartz and die. We have the largest size of the template size is 1.65 m long 3.25 m wide ride quartz stone, quartz stone, Kai Sa Building Materials (certified merchants) are provided by Kai Sa Building Materials Co., Ltd., Dongguan City. Dongguan Kai Sa Building Materials Co. (www.kaisa-stone.com) is specialized in "stone, precast concrete," the business, the company adhering to the "honesty, hard service" concept, to provide you with the highest quality products and services . Welcome to inquire! Contact: Mr. Hu.