Product Specifications
SD, HD, Ql, Cop, Br, DHD, Mission, HD, Numa, CIR
                        Customized
                        API
                        2 Inch to 30 Inch
                        DTH Bit
                        High Carbon Steel
                        Well Drilling, Coal, Ore, Pneumatic
                        Spray-Paint
                        SD, HD, Ql, Cop, Br, DHD, Mission, Numa, CIR
                        Flat, Convex, Concave, Double Gauge
                        Spherical, Parabolic, Ballistic, Sharp, Flat
                        2 Inch to 30 Inch
                        Within 25 Working Days
                        QIDELI, LEILI
                        Wooden, or Others
                        iso9001
                        China
                        8207199000
                        

