... 12mm,15mm, 18mm,20mm,30mm Our engineered quartz countertop has passed stone quality supervision center Guangdong certificate, ... process under high temperature.Usage: Kitchen countertop, vanity top, vanity panel, floor tile, wall tile, Kitchen countertop, vanity top, bathroom panel ... granite, solid surfaces, etc) which guarantees safety in the kitchen when handling very hard objects (pans, trays, etc). ...