China Welong specializes in oilfield products. We can quote and supply you the following products:-Stabilizers 1. Rough stabilizer forgings.2. Finished Integral blade stabilizers.3. Interchangeable sleeve stabilizers. Dimensions: According to customer's requirements (626) -Drill pipesGrade: E75, X95, G105, S135 Size: From 2 3/8to 6 5/8 -Drill collars 1. Slick Drill collar 2. Spiral Drill Collar 3. Non-magnetic Drill Collar Size: From 3 1/8to 11 Mud Pump Model: F-500, F-800, F-1000, F-1300, F-1600, F-2200; 3NB-350, 3NB-500, 3NB-1000, 3NB-1300, 3NB-1600 Rotary Table Model: ZP175, ZP205, ZP275, ZP375 Traveling Block Model: YG135, YG170, YC170, YC225, YC315, YC450 Hook Model: DG50, DG100, DG225, DG315, DG450 As well as Air Winch, Draw works, Drilling rig are also our main products. Subsurface Sucker Rod PumpsRod Pumps, Special Sucker Rod Pumps, Tubing Pumps -Sucker Rod: Continuous Sucker Rod, Ordinary Sucker rod, Pony Rod, Hollow Sucker Rod, Special Sucker Rod, Polished Rod -Pumping Unit:Beam Pumping Unit, Double Horse Head Pumping Unit, Downward Barbell Pumping Unit, Frictional Type Pumping Unit, Involute Pumping Unit, Moment Adjustable Pumping Unit, Offset-wheel Beam Pumping Unit, Slant Hole Pumping Unit, Swing Lever Pumping Unit If you have any interest, please contact us in any way of the following.