Yantai Auya Stone Applied Technology Co., Ltd. is the earliest professional company engaged in research and development of stone application technology and stone maintenance products in mainland China. Since its founding in China in 1998, specialized and systematic stone application and product systems have been formed, and the application and service of products have also been extended to all parts of the world. The technology and product category covers the series of stone defects repair, stone protection series, stone cleaning series, stone renovation and polishing series, stone daily maintenance series and concrete floor treatment system. Multi channel, fast and convenient market sales and technical support system, serving in the field of stone processing, stone installation, hotel management, business management and stone nursing industry and cleaning and cleaning industry.