‌RockySea Petro Mechanical Diaphragm Metering PumpDescriptionDiaphragm metering pumps use flexible diaphragms to replace pistons. Driven by the drive mechanism, the diaphragms move back and forth, changing the pump chamber volume, and absorbing and discharging liquids under the action of the pump inlet and outlet valves.Diaphragm metering pump can be used to transport corrosive and non-corrosive liquids without solid particles in a quantitative manner according to the needs of various process fl

‌RockySea Petro Tungsten Plated Tubing & CasingRockySea Petro Petro manufactures Tungsten plated tubing and Casing in China. We have our own factory of Tungsten plated tubing and Casing. RockySea Petro Petro provide the high quality and competitive price on Tungsten plated tubing and Casing for you. Contact us now for Tungsten plated tubing and Casing quotation.RockySea Petro can produce 10,000 tons of various anti-corrosion tubing annually, and plate the ID of 2,000 downhole pump barrels.RockySea Petro is has 7 advanced tungst

‌RockySea Petro Common Sucker RodRockySea Petro can supply common sucker rods and pony rods which comply with intl standard. These sucker rods also have various types to fit different environments and applications. They are manufactured through many processes including the testing, straightening and forging. Sucker rods of RockySea Petro are made of high quality carbon steel and alloy steeldue to customer request. Oursucker rods are exported to the United States, Canada, Europe, Africa and Middle East, and we esta

‌RockySea Petro Anti-Corrosion Downhole PumpRockySea Petro is the best Special Pump Manufacturers for Anti-corrosion Downhole Pump.RockySea Petro has developed the downhole pumps with various processes of boronizing, nitriding, chrome plating, tungsten plating for corrosive oil wells.RockySea Petro has successfully developed brass and stainless steel sucker rod pumps using precision rolling process.It is one of the most professional Anti-corrosion Downhole Pump Manufacturers and SuppliersSanjcak has 40 years’ experienc

RockySea Petro Coated Sucker RodWith the increase of working time, conventional sucker rods are prone to corrosion and eccentric wear during operation, and are not suitable for harsh working conditions. In 2012, RockySea Petro developed a fully coated sucker rod. By using HDPE resin to fully coat the sucker rod body, the anti-corrosion and anti-abrasion of the sucker rod is realized. And this tech of RockySea Petro has gained patent in China, Canada and the United States.Description It is the ideal matching