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SINCE2007


Mudanjiang Northern Oilfield Machinery Co., Ltd.

A professional manufacturer specializing in the production and processing of petroleum drilling and extraction equipment and accessories, mainly producing drilling tools, fishing tools, well repair and cementing tools, pressure testing tools, and wellhead tools.

Main products +

First-level supplier of China National Petroleum Corporation


People-oriented, integrity-based business

The company has gained widespread acclaim from domestic and international customers for its high-quality and comprehensive after-sales service, with a sales network covering major oil fields across the country.

Main products +

4 invention patents, 24 utility model patents


The sales network covers major oil fields across the country

First-level supplier of China National Petroleum Corporation, national AAA credit demonstration unit, provincial high-tech enterprise, Heilongjiang Province technology-based small and medium-sized enterprise

Main products +

ABOUT US

Mudanjiang Northern Oilfield Machinery Co., Ltd.


Mudanjiang Northern Oilfield Machinery Co., Ltd. was established in 2007. It is a professional manufacturer producing and processing petroleum drilling and extraction equipment and accessories, mainly producing drilling tools, fishing tools, well repair and cementing tools, pressure testing tools, and wellhead tools. The registered capital is 100.08 million yuan. The factory is located at No. 18 Wenhua Street, Aimin District, Mudanjiang City, covering an area of about 100,000,000 square meters, including a production workshop of 6,000 square meters. Currently, there are 64 employees, including senior and intermediate engineers, high-tech talents in physical testing, chemical analysis, non-destructive testing, as well as technicians in various trades such as turning, fitting, milling, planing, grinding, and machining centers.
The company has departments including Technology, Production, Quality Inspection, R&D, Finance, and General Affairs. Adhering to the management philosophy integrating development, design, manufacturing, and sales, it has successively passed ISO 9001 quality management system certification, American Petroleum Institute API 7-1, API 7-2, API 6A, API 5DP, API Q1 qualification certifications, HSE health, safety, and environmental management system certification, measurement management system certification, intellectual property management system certification, after-sales service management system certification, integration of informatization and industrialization management system certification, green factory certification, and green supply chain management system certification. It is a first-level supplier of China National Petroleum Corporation, a national AAA credit demonstration unit, a provincial high-tech enterprise, a Heilongjiang provincial technology-based SME, a provincial enterprise technology center, a provincial petroleum drilling equipment (gate valve, check valve, drilling stabilizer, casing head) engineering technology research center, a provincial "specialized, refined, distinctive, and innovative" SME. The company's casing head product has won the provincial new product and new technology achievement award. Currently, it holds 4 invention patents and 24 utility model patents.
The company is one of the main domestic manufacturers engaged in the production of petroleum drilling tool series products. Its main manufacturing includes petroleum drilling surface blowout prevention series products, downhole accident fishing and handling tool series products, petroleum drilling tool series products, cementing tool series products, and internal blowout prevention tool series products. Especially, the enterprise technology center has made significant progress in new product development and new process transformation. Currently, all products produced by the company are at the leading level in the industry, with market shares of over 20% for casing heads and butt-welded joints. Meanwhile, the company has won widespread praise from domestic and foreign customers for high-quality and comprehensive after-sales service, with a sales network covering major oilfields nationwide. Since its establishment, Northern Oilfield has always adhered to the business principles of people-oriented and integrity-based operation, repaying customers with good products, good service, and good reputation.

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Mudanjiang Northern Oilfield Machinery Co., Ltd.
Company Established
2007 Year

Company established in

Registered Capital
10.008 Million

Registered Capital

Factory Area
10000

Factory Area

Production Workshop
6000

Production Workshop

Corporate Culture

Corporate Culture


Northern Oilfield always adheres to the business principles of people-oriented and integrity-based operations, repaying customers with good products, good services, and good reputation. We will also actively strive to create more economic benefits, increase tax revenue, and work hard for the healthy, sustainable, and stable prosperity and development of Mudanjiang's economy.

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Corporate Culture
Qualifications and Honors

Qualifications and Honors


The company has successively obtained ISO 9001 quality management system certification, American Petroleum Institute API 7-1, API 7-2, API 6A, API 5DP, API Q1 qualification certifications, HSE health, safety, and environmental management system certification, measurement management system certification, intellectual property management system certification, after-sales service management system certification, and integration of informatization and industrialization management system certification.

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Qualifications and Honors
Factory Appearance

Factory Appearance


The factory covers an area of approximately 100 million square meters, including 6,000 square meters of production workshops. There are currently 64 employees, including mid- and senior-level engineers, high-tech talents in physical testing, chemical analysis, and non-destructive testing, as well as technical personnel in various trades such as turning, fitting, milling, planing, grinding, and machining centers.

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Factory Appearance
Production Capacity

Production Capacity


The main manufacturing processes include surface blowout prevention products for oil drilling, downhole accident salvage and handling tools, oil drilling tool series, cementing tool series, and internal blowout prevention tool series. Especially, the company's technology center has made significant progress in the development of new products and the transformation of new processes.

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Production Capacity
Online Message

Online Message


We are willing to base ourselves on professional expertise, leveraging advanced petroleum drilling equipment manufacturing technology and rich experience, to join hands with you in initiating deep cooperation. On the journey ahead, we will jointly explore hidden opportunities in the industry, discover more innovative possibilities, work together to expand broad markets, and forge a mutually beneficial business chapter with wisdom and hard work, creating a brilliant and splendid future together.

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Online Message

Product Center

The company is a professional manufacturer producing and processing petroleum drilling and extraction equipment and accessories, mainly producing drilling tools, fishing tools, well repair and cementing tools, pressure testing tools, and wellhead tools.

Four-way driven roller square patch core

The roller square core plug is a commonly used tool in petroleum drilling operations. It works in conjunction with the rotary table square block to drive square drill rods of different sizes, including square and hexagonal rods, by replacing rollers of different specifications accordingly.

HOT

Tissue

Tongs are tools specifically used in petroleum, natural gas, and geological exploration oil drilling engineering to lift drilling tools.

HOT

Pin shaft drives roller square patch core

The square core bushing is one of the essential pieces of equipment for petroleum drilling operations. It is placed inside the large square core bushing, and its function is to transmit the torque from the rotary table to the downhole drilling tools.

HOT

Connected by Ren cycle joint

The swivel joint is a special joint used to connect the drill pipe with the casing during the middle or after the casing is run, allowing circulation of drilling fluid. It can be divided into drill pipe threaded swivel joints, casing threaded swivel joints, and swivel threaded swivel joints as needed. The upper part of the casing swivel joint has drill pipe joint threads for connecting to the drill pipe or is connected to the pipeline by a swivel joint. The lower part is machined with API casing tapered trapezoidal threads (or API casing long round thread/short round thread) for connecting the casing coupling.

HOT

Drill Pipe Mud Blowout Preventer Box

Suitable for petroleum drilling tripping operations, it prevents mud splashing caused by blockage during the disassembly of drilling tools, contaminating the platform, allowing the drilling mud to be recovered and reused. It features convenience, safety, platform cleanliness, and mud conservation. During tripping in and out of the hole, the drill pipe blowout preventer helps prevent unnecessary loss of costly drilling fluid and maintains a safer, cleaner working environment.

HOT

Drill String Elevator Short Section

The drill collar lifting sub is an integral component made of alloy structural steel that has been heat-treated and precision machined. The heavy-duty drill collar lifting sub is used together with the drill pipe elevator latch to lift the drill string. The lifting sub is used together with the drill pipe elevator latch to hoist the drill string.

HOT

All Products

Global Network

Providing for our customers

Satisfactory Service

Service exceeding from30 Multiple countries1000 more customers

The company has gained widespread praise from domestic and international customers for high-quality and comprehensive after-sales service, with a sales network covering major oilfields nationwide. Since its establishment, Northern Oilfield has always adhered to the business principles of people-oriented and integrity-based operation, repaying customers with good products, good service, and good reputation.

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Honor Certificates

Strict Quality Management System

Strict Quality Management System

The company has successively passed ISO 9001 Quality Management System certification, American Petroleum Institute API 7-1, API 7-2, API 6A, API 5DP, API Q1 qualification certifications, HSE Health Safety Environment Management System certification, Measurement Management System certification, Intellectual Property Management System certification, After-sales Service Management System certification, Integration of Informatization and Industrialization Management System certification, Green Factory certification, Green Supply Chain Management System certification. It is a first-level supplier of China National Petroleum Corporation, a national AAA credit demonstration unit, a provincial high-tech enterprise, a science and technology-based SME in Heilongjiang Province, a provincial enterprise technology center, a provincial petroleum drilling and extraction equipment (gate valves, check valves, drill stabilizers, casing heads) engineering technology research center, a provincial "Specialized, Refined, Distinctive and Innovative" SME. The company's casing head products have won provincial new product and new technology achievement awards. Currently, it holds 4 invention patents and 24 utility model patents.

IAF
ISO
Letter
CNAS

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Certificate
A hydraulically controllable casing head
Self-guided flow-blocking assembly
Impact-resistant rotary check valve
A plug valve for square drill pipes used in petroleum extraction construction
Oscillating Joint
Plug valve for oil fields
A type of drill string stabilizer
A type of drill string float valve
A type of check valve
A check valve for oil fields
A type of oil pipe stabilizer
A high-sealing leak-proof casing head for oilfield wellheads
A type of plug valve

Follow us to learn about company product updates, corporate news, and industry trends.

Jul 04,2024

On February 20, 2025, according to information from the National Intellectual Property Office, Mudanjiang Northern Oilfield Machinery Co., Ltd. obtained a patent titled "A high-sealing anti-leakage casing head for oilfield wellheads," with the authorization announcement number CN 222501683 U, and the application date was June 2024.

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Jan 13,2025

From January 13 to 14, 2025, Wanjinlong Group grandly held the 2024 Annual Meeting themed "Grateful to Have You, United to Forge Ahead and Start a New Journey." This annual meeting was uniquely designed, specially inviting the parents and spouses of all group employees to attend together, aiming to express gratitude for the silent support and selfless dedication of employees' families, and to enhance the cohesion and sense of belonging between employees and the company.

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May 19,2024

China Youth Network Mudanjiang, September 6 - To ensure that taxpayers' and payers' tax-related needs are addressed at the source, the Mudanjiang Tax Bureau has made "collecting and resolving taxpayers' and payers' needs" an important measure of the "Convenient Tax Service Spring Breeze Action." It has moved the service gateway for taxpayers and payers forward, changing "handle upon request" to "handle before request," and transforming "passive service" into "proactive governance."

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Partners

Since its establishment, Northern Oilfield has always adhered to the business principles of people-oriented and integrity-based operation, repaying customers with good products, good service, and good reputation.

China National Petroleum Daqing Oilfield
China Petroleum Great Wall Drilling Engineering Company
China Petroleum Western Drilling Engineering Co., Ltd.
China National Petroleum Bohai Drilling Engineering Company
Sinopec Jiangzuan Petroleum Machinery Co., Ltd.