Gas equipments Derun strategy partner of gas equipment manufacture had purchased advanced cnc machining centers, cnc lathes, bending machine and round tube phase intersecting line cutting machine, high precision digital processing equipment for produce gas pressure regulating box, gas regulator pressure device, a-class pressure vessel, safety cut-off valve etc. Currently the gas equipment had sell to cnpc kunlun, enn and other gas operators. Derun is a high-tech enterprise of producing drilling equipment and tools. Main products involves horizontal / directional drilling, including more than ten series, hundreds of varieties of drilling equipment and tools.