We, EHWA Diamond Industrial, have been producing only diamond tools since 1975.Now, we are leading diamond tools industry of Korea and doing business with all over the world.With this wide and deep experience, we will do our best to support your business.Especially in Construction & Stone & Mining field, we are work with many global companiesWebsite: www.ehwadia.co.kr/ehwa/ehwadia/index.htmPromotional Video: https://youtu.be/MCiWTw0Ivr8PDF Catalogue: https://drive.google.com/open?id=0B0LO4oW3LM97MlVxZHlCb0ZjOXM