zhejiang kaiyu drilling bit co.,ltd's business idea is to develop high quality drill bits for professionalists worldwide.We have long experience on rock drilling process and the latest development of rock drills. We export our products worldwide to more than 30 countries. 90% of its turnover is exported. Mining, quarrying and construction customers drive the company's strategy. Our white bits are known in all the main mining and construction customers all over the world. Our tight focus and continuous development work secure the latest technical solutions for the most demanding rock conditions and for the most powerful rock drills, all for the benefit of our customers. With top quality Scandinavian steel for its products, and proven homogenous tungsten carbide for its buttons, we lay the foundation for an exceptional standard of finished drill bits. We have passed ISO 9001:2000 qualities administer system certification.
