Dongying Qixiang Import &Export Co.,Ltd(hereinafter as DYQX Petro company) was founded in January, 2002, in the Yellow River delta （Shengli Oil Field, the second large oil field in China）--- Dongying City, Shandong Province. Its business covers drilling rig, workover rig, solids control equipment, oil production equipment,OCTG ,wellhead & downhole tools and spare parts&n...