Established in 2014, QT-MAT, as Shenzhen Quantum Technology Co., Limited, is a professional manufacturer and exporter that is concerned with the design, development and production of EVA Puzzle Mat products. We are located in Huizhou City, Guangdong Province, with convenient transportation access. All of our products pass quality tests like ASTM, EN71, and we have factory audit like BSCI, SEDEX.