Grand Quartz Tech Co., Ltd. is a manufacturer and marketer of engineered quartz stone, headquartered in Chonburi, Thailand. Grand Quartz Tech products are designed according to international standards and are made with one of nature’s hardest minerals. Our quartz surfaces are among the most versatile and practical building materials, ideal for beautiful kitchen countertops, vanity tops, bar tops, and wall cladding.

Grand Quartz Tech manufactures premium quartz slabs and countertops in a wide variety of collections—including solid base colors, Calacatta (white/black/gold veined), printed quartz designs, silica-free series, and translucent quartz. These surfaces offer outstanding versatility, easy fabrication, and smooth installation for diverse interior applications.

Our state-of-the-art facility in Chonburi, Thailand, spans 77,580 square meters (862,000 sq. ft.), enabling efficient production for both standard and custom quartz solutions. Backed by an innovative design and R&D team, we update our color collections every week to stay ahead of design trends and technological advancements. We follow strict quality control processes to produce high-quality engineered quartz stone slabs and fabricated products that meet the diverse technical requirements of international markets.

With this strong capacity, we are able to manufacture Jumbo and Super Jumbo slabs as well as cut-to-size quartz products based on customer drawings, meeting a wide range of architectural and design needs.