In the manufacture process, we adopt integrated quality control, and have passed ISO9001 international authentication. We adopt high quality steel for different element of kelly bar, usually also produce as customized. Now, Kellyway has developed a complete range of manufacturing technique with independent intellectual property to meet different customers’ requirement. After the unremitting efforts of all staffs, Kellyway won the approval and trust of the customers with the excellent performance, advanced technology and good reputation. Now our spare parts are widely used in various company of bore pile industry and have exported to Southeast Asia, Europe, South America and Middle East.