Hanstone is a enterprises collecting the research, development, production and sales of diamond tools, carbide saw blades, stone- mining machinery.  Established in 1987, The company holds branches of Diamond Tools Factory, Carbide Saw blades Factory, Stone-mining Machinery Factory, and a Research and Development Center. The company has invested 200 million yuan RMB, covering an area of 180 acres with the workshops of 60000 square meters. The company has 600 staff members and workers including 65 scientific research personnel.

We adheres to the policy, "Science and Technology as the Root and Connotation, Winning by Quality", and strengthens and perfects quality management system, having passed the ISO9001 International Quality System Certification, ISO14001 International Environmental Management System Certification, Germany MPA Quality Certification, the European Union CE Quality Certification, and SGS Switzerland Certification.