YanTai Auya Stone Maintenance Co.，Ltd is a professional company which is engaged in stone maintenance. Our company produces and sells stone chemical products and relevant machinery such as series of stone protection, stone defect repairing, stone adhesive, stone cleaner, stone protection, stone renewal and polishing. The application of the products involves all fields and links of stone exploitation, processing, decoration, installation and daily care. We have excellent products, advanced construction technology. We can also resolve problems about stone repairing, protection, washing, renewal, maintenance and other difficult problems and technology consultation.