Dongying Dongda Machinery Manufacturing Co., Ltd

Dongying Dongda Machinery Manufacturing Co., Ltd

Dongying Dongda Machinery Manufacturing Co., Ltd. was established on January 2, 2001. The business scope of the company includes: installation, transformation and maintenance of steam injection boilers in oil fields (the term of validity is subject to the license); production and sales of fixed pressure vessels (Class III pressure vessels, high pressure vessels are limited to single layer) (the term of validity is subject to the license); pressure pipeline components (component combination device, limited wellhead device, Christmas tree, choke and kill manifold) ）Production and sales (valid period shall be subject to the license); Petroleum General equipment and accessories, non-standard riveting and welding parts, activity room, camping room, burner, heating furnace, pipeline accessories, wellhead blowout preventer, sand prevention equipment, hydraulic tongs and accessories, pumping unit and accessories, drilling rig and accessories, workover unit and accessories, drilling and production accessories, drilling screw drill, tubing, oil pump, water pump Mud pumps and accessories, couplings, valves, pipe brackets, seals, hydraulic pipelines, drilling suspension tools (elevators, rings), downhole tools, machine parts, motor transformers, frequency converters, control cabinets, motors, metering devices and throttling devices, filters, water treatment and other environmental protection equipment production and sales; thermal production wellhead equipment maintenance, oil drilling and production equipment maintenance; mechanical equipment Reserve lease (excluding financial lease); coating oil pipe, lining oil pipe, metal pipe anti-corrosion engineering; sales of rubber and plastic products; self operated or agent import and export business of various commodities and technologies (except those prohibited or restricted by the state); design, production and sales of electric heater, electromagnetic heater, low-voltage switchgear, etc.

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