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Zhejiang Jingliang Copper-Tube Products Co., Ltd

Wholesale SGS Certified Copper Pipes

SGS Certified Copper Pipes

-- Steady & Reliable Manufacturer --

Independent Verification for Global Trust and Quality

In the international copper market, trust is built on verification. SGS Certified Copper Pipes are products that have undergone rigorous independent testing by SGS, the world’s leading inspection, verification, testing, and certification company. At Zhejiang Jingliang, we recognize that our clients—ranging from high-end HVAC manufacturers to government infrastructure contractors—need more than just our word that our products are superior. By voluntarily submitting our copper tubing to SGS for testing, we provide an unbiased third-party guarantee that our material purity, dimensional accuracy, and mechanical strength meet or exceed international standards like ASTM, EN, and JIS. This certification is a critical "Risk Mitigation" tool for buyers, ensuring that they are receiving exactly what they paid for and that the material will perform safely in high-pressure or critical environments.

The SGS certification process covers every critical parameter of copper tubing. This includes "Chemical Composition Analysis" to verify a minimum copper purity of 99.9%, "Physical Testing" for tensile strength and elongation, and "Non-Destructive Testing" (like Eddy Current and Hydrostatic) to ensure no internal defects or leaks. For specialized industries like medical gas or food processing, SGS also verifies the "Internal Cleanliness" and degreasing levels of the pipe. Having an SGS report for your shipment is like having a "Global Passport" for your material; it simplifies customs clearance in many countries and provides the documentation needed to meet the stringent quality requirements of modern building codes and corporate ISO systems. At Jingliang, we are proud to offer SGS-certified solutions that uphold our commitment to excellence and provide our global partners with absolute peace of mind.

SGS Certification & Technical Parameters

Property TestedSGS Certified Result (Typical)
Copper Purity (Cu+Ag)≥ 99.93% (Per ASTM B170 / B280)
Phosphorus Content0.015% - 0.040% (Deoxidized)
Tensile Strength210 - 320 MPa (Depending on temper)
Yield StrengthMin 60 MPa (Annealed)
ElongationMin 40% (O-temper)
Dimensional PrecisionWithin ±0.05mm of specified OD/Wall
Eddy Current Test100% Pass (No signal defects)
Carbon Content< 0.038 g/m² (Cleanliness test)
Grain Size0.025mm to 0.060mm

Applications in High-Stakes Engineering

SGS certified copper pipes are the standard for Government Infrastructure Projects, such as municipal water networks, school buildings, and public transportation hubs where third-party quality verification is mandatory. They are also essential for High-Rise Construction and premium residential developments where developers want to eliminate the liability of material failure. In the HVACR sector, SGS certification is often required by multi-national corporations for their global supply chains to ensure consistency across different regions. The Medical sector utilizes SGS-verified pipes for Oxygen and Medical Gas pipelines to ensure absolute purity. In the energy industry, they are used for solar thermal and geothermal installations that require long-term thermal stability. Furthermore, for international traders and wholesalers, SGS certification acts as a primary selling point, providing the proof of quality needed to win tenders and secure high-value contracts in competitive markets.

Advantages of Independent Certification

The primary advantage is "Absolute Peace of Mind"—you can be 100% certain that the material you receive matches the technical data sheet provided. "Global Market Compliance" is another key benefit; SGS reports are recognized by customs authorities and building inspectors worldwide, facilitating easier international trade. Our SGS-certified pipes offer "Reduced Liability"—in the event of a system failure, having independent proof of material quality protects the engineer and contractor. The certification also ensures "Consistency"—every batch is held to the same high standard, preventing the "quality fade" that can occur with uncertified suppliers. From a "Project Bidding" perspective, specifying SGS-certified material gives you a competitive advantage by demonstrating a commitment to quality and safety. Finally, the "Verification of Purity" ensures that your copper pipes will provide the full antimicrobial and thermal benefits that high-purity copper is known for, with no hidden impurities that could lead to premature corrosion.

Verification Logistics and Reporting

We can arrange for SGS inspectors to visit our factory to witness the testing and loading of your specific production batch. This "Load Port Inspection" (LPI) ensures that the pipes being shipped are the exact ones that were tested. Payment for SGS certification is typically handled as a small additional fee or included in the contract price for large orders. We ship globally with the "SGS Inspection Report" included in the digital and physical document set. This report includes photographs of the material, the test results, and the official SGS stamp of approval. We use reinforced packaging to ensure that the certified quality of the pipe is protected from physical damage during sea transit. Our logistics team is familiar with coordinating these inspections, ensuring they do not delay your shipping schedule.

  • Q: What is the difference between a Mill Test Certificate and an SGS report?
  • A: A Mill Test Certificate is issued by our own internal lab. An SGS report is issued by an independent, third-party laboratory, providing an extra layer of unbiased verification that is often required for high-security projects.
  • Q: Can I request SGS testing for a specific project?
  • A: Absolutely. We can facilitate SGS testing for any parameter you require, from chemical analysis to high-pressure burst testing, as part of your purchase order.
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 SGS Certified Copper Pipes and SGS Certified Copper Pipes 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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