Descripción del producto

Mainly engaged in: drilling bit and drilling tools manufacturing and sales, cone bit, tricone bit, drill bit, PDC composite water well drilling, oil well drill, drill, drill pipe and other professional accessories, in the petroleum enterprise, recognized by the net, including jianghan, Lin, chuan, flying dragon stone, changqing, Shanghai, and core bit, diamond bit, crabs, elevator, the suspension loop, the security card, square complement core, drill pipe, drill collar, tap, centralizer, socket, strong magnetic extractor.