... :Main market: 15-20 days after received the deposit.1*20 feet container.Slabs covered by plastic film, and then packed in ... Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe FQA 1- What is the ingredient proportion of your quartz stone?Our ... quartz powder (carefully select from natural quartz crystal mineral, 99.9% SiO2), 7% polymer material and inorganic pigment. 2- What’s ...