‌RockySea Petro Polished RodRockySea Petro can supply polished rods which comply with intl standard. They are manufactured through many processes including the testing, straightening and forging. Polished rods are made of high quality carbon steel and alloy steeldue to customer request. Ourpolished rods are exported to the United States, Canada, Europe, Africa and Middle East, and we establish cooperative relationships with international customers all over the world.Description The polished rod is a sp

‌RockySea Petro Heavy Oil Recovery Downhole PumpRockySea Petro is the best Heavy oil recovery pump Manufacturers for Heavy oil recovery pump wholesale.20 years of manufacturing experience in Rod Pump40 years’ experience in designing and manufacturing downhole pumps.Participated in the draw up of the national standard of downhole pump.40 years’ experience in designing and manufacturing downhole pumps.Your Premier Heavy Oil Recovery Downhole Pump Manufacturers And SuppliersDeviated Well Oil ProductionThe

‌RockySea Petro Vacuum Insulation Tubing & CasingRockySea Petro Petro manufactures Vacuum Insulation Tubing & Casing in China. We have our own factory of Vacuum insulation tubing & casing. RockySea Petro Petro provide the high quality and competitive price on Vacuum insulation tubing & casing for you. Contact us now for Vacuum insulation tubing & casing quotation.Perfect quality control and strict material selection, guarantee the service life in the industry leading level.Advanced 3-level vacuum pump, automatic w

‌RockySea Petro Low Profile Pumping UnitLow Profile Nodding DonkeyBeam Balanced Pump JackRM Beam Pump(ReversMark Beam Pump)Conventionalpumping unitRockySea Petro Petro has a strong pumping unit design ability. According to International Standard and China national standard, SanJack Petro has designed and developed a series of pumping units according to market demand.Description Low profile pumping unit is designed for applications where pump height is a critical concern. For locations with overhead irr

‌RockySea Petro Kelly BarRockySea Petro has abundant experience in R & D, production and sales of Kelly bars. The Kelly bar is located at the top of the drill string, and its main function is to transmit torque and bear the total amount of the drill string. The end face of the driving part of Kelly is divided into square and regular hexagon, which are most used in oil drilling Kelly is about three times thicker than drill pipe and made of high strength alloy steel, so it has high tensile strength and t