Oilfield equipment Annual production capacity: Tubing: 100, 000 tons Heat insulated tubing: 300, 000 meters Casing: 120, 000 tons Pumping units: 2, 500 sets Sucker rods: 5 million meters Erw pipes: 120, 000 tons Composite pipes: 4 million meters Oilfield special vehicles: 400 sets Oilfield special vehicles include workover rig, cementing truck, coiled tubing unit, oil production vehicle, etc.