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Zhejiang Jingliang Copper-Tube Products Co., Ltd

Wholesale Oil and Gas Copper Lines

Oil and Gas Copper Lines

-- Steady & Reliable Manufacturer --

Critical Infrastructure for Energy Transport

Oil and gas copper lines represent a specialized segment of the piping industry where material failure is not an option. Copper has been a preferred material for small-diameter oil and gas lines for decades due to its exceptional corrosion resistance, ease of installation, and mechanical reliability. At Zhejiang Jingliang, we manufacture oil and gas copper tubing that meets the rigorous demands of both upstream extraction and downstream distribution. Our tubes are produced using high-purity C12200 phosphorus-deoxidized copper, ensuring they can handle the volatile nature of hydrocarbons and the external environmental stresses of oilfield or residential gas installations. In the oil and gas sector, copper is often utilized for control lines, instrument air systems, and fuel delivery because it does not spark, offers excellent vibration resistance, and maintains its integrity in extreme temperatures.

The safety of a gas distribution system—whether it is natural gas, LPG, or propane—depends on the "Leak-Proof" nature of the piping. Our oil and gas lines undergo 100% non-destructive eddy current testing and high-pressure burst testing to ensure there are no microscopic defects. For underground applications or offshore environments, we provide specialized coatings like PVC or PE to protect the copper from aggressive soil chemistry or salt spray. Furthermore, our tubes are "Internal Cleanliness" certified, ensuring that no manufacturing oils or particulates interfere with sensitive burners or gas meters. As the energy industry evolves, including the transition to hydrogen-blended fuels, our high-purity copper lines provide the necessary chemical stability to support modern energy infrastructure with a service life that often exceeds 50 years.

Energy Grade Technical Parameters

PropertyOil & Gas Specification
Material GradeC12200 (Cu-DHP)
Working PressureUp to 100 Bar (1450 PSI)
Safety Factor5:1 (Typical for Gas Service)
Wall ThicknessType K or Type L (ASTM B837)
StandardsASTM B837, EN 1057, NFPA 54
Surface FinishPVC/PE Coated or Bare Bright
Internal Residue< 0.015 g/m² (Degreased)
ElongationMin 40% (Annealed)
Bend Radius3x Tube Diameter (with proper tools)

Upstream to Downstream Applications

Oil and gas copper lines are found across the entire energy spectrum. In the "Upstream" sector, they are used as Control Lines for hydraulic valves on oil rigs and as instrumentation tubing for pressure monitoring systems. In the "Midstream" and "Downstream" sectors, they are the primary choice for Fuel Oil Lines in residential and commercial heating systems. Our copper is also the standard for LP Gas (Liquefied Petroleum Gas) and Natural Gas Piping in kitchens, laboratories, and industrial workshops. Because copper is naturally fire-resistant and has a high melting point, it is used for Emergency Shutdown Systems (ESD) where signal integrity must be maintained during a fire. It is also used in Automotive LPG conversion kits and for small-diameter fuel lines in marine engines. Its portability and flexibility make it ideal for portable heater hookups and temporary gas supplies in remote industrial sites.

Advantages of Copper in Hydrocarbon Service

The primary advantage is "Safety"—copper is non-sparking, which is a vital requirement in explosive gas environments. "Corrosion Resistance" is another key factor; unlike steel, copper does not rust when exposed to moisture or sulfur compounds often found in fuel oils. Our oil and gas lines offer "Superior Installation Flexibility," allowing technicians to snake the pipe through walls or underground without the need for numerous elbow fittings, which reduces the number of potential leak points. The "Impermeability" of copper is also a major advantage over plastic pipes; it ensures that gases do not leach through the pipe wall and that contaminants from the soil do not enter the fuel stream. Finally, the "Thermal Stability" of copper ensures that the pipe maintains its mechanical properties from sub-zero winter temperatures to the heat of an engine room, providing a reliable energy conduit in any climate.

Logistics and Compliance Documentation

We supply oil and gas lines in long continuous coils (up to 50 meters or 100 feet) to minimize joints. Payment terms are T/T or L/C at sight. To ensure safety compliance, every coil is clearly marked with its rating, standard (e.g., ASTM B837), and production batch number. We use reinforced packaging, including UV-resistant plastic wrap and heavy-duty boxes, to prevent damage during shipping. For large-scale municipal gas projects, we provide full traceability reports and Mill Test Certificates (MTR). We ship globally from Ningbo port, specializing in JIT (Just-In-Time) delivery for energy infrastructure contractors who require steady supplies to meet tight construction deadlines.

  • Q: Can I use standard plumbing copper for gas?
  • A: In many regions, specialized gas-rated copper (like ASTM B837) is required because it is tested for higher pressures and has specific wall thicknesses. Always check local gas codes.
  • Q: Do you offer yellow-jacketed copper?
  • A: Yes, we provide copper lines with a yellow PVC coating, which is the international color code for gas lines, providing both protection and easy identification.
ABOUT US
30+YEARS OF
EXPERIENCE
About Us

A Reliable Partner of the Copper Tube Industry

Zhejiang Jingliang Copper-Tube Products Co., Ltd is China Oil and Gas Copper Lines and Oil and Gas Copper Lines Factory, which established in 1994, has been deeply involved in the copper tube industry for over three decades. The company primarily produce various specifications of products such as copper tubes, brass tubes, copper square tubes, fin copper tubes, copper capillary tubes, condenser copper tubes, copper evaporator tubes, and conductive rods, which are of quality and have earned the trust and acclaim of customers both domestically and internationally.

Wide Applications:

These products are widely used in various fields including air conditioning, refrigeration, heat exchange, sanitary ware, automotive, machinery, electric furnaces, and chemical industries.

Convenient Transportation:

Strategically located in Tangpu Town, renowned as the “home of copper tubes” in East China. Our company enjoys a prime location, adjacent to the Shangsan Expressway and National Highway 104, and is conveniently situated just over 70 kilometers from Hangzhou and Ningbo, ensuring easy accessibility and a business position.

Strong Financial Resources:

With its strong financial resources and advanced copper tube processing technology, our company holds an advantageous position in market share, brand value, technological content, and product quality, becoming a preferred supplier for many listed groups.

Large Scale Production:

The company occupies an area of over 20,000 square meters, with a construction area of 12,800 square meters. In 2022, our annual production exceeded 7,500 tons, with a value output of up to 450 million yuan, demonstrating our strong production capacity and market competitiveness.

Comprehensive Industry Chain:

Jingliang has now developed into a complete industrial chain integrating smelting, extrusion, drawing, precision rolling, and annealing. It has been awarded multiple honors, including "Top Ten Copper Tube Enterprises" and "Leading Taxpayer in the Copper Tube Industry".

Smart Manufacturing:

Jingliang Copper-Tube Products will better integrate the concept of factory construction into its corporate development strategy, insist on refining technology and polishing products more finely, and the future of "intelligent manufacturing".

Genuine Cooperation:

Zhejiang Jingliang Copper-Tube Products Co.,Ltd warmly welcomes friends from all walks of life to visit and offer guidance. We look forward to joining hands with you to create a brilliant future together.

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