In July 3, 2015, The Association two experts of Quality Assurance Center   visited our company,Conduct on-site assessment of the company's quality management system certification.After  the expert group careful examination , company of the audit projects have reached the ISO9000 quality management system standards, successfully passed the quality management system audit.We work to pay the strict implementation of quality management system and regulations  in the future, in strict accordance with the standards of production, continuously improve the quality of products, to provide high quality products and services for the mining industry!