WHO WE ARE?

Anhui Siri Tubing Co.,Ltd
——MTSCO Coiled Tubing Manufacturer

As a production base for MTSCO welded coiled tubing, Siri Tubing focuses on the production of high-strength stainless steel /duplex/nickel alloy welded coiled tubing and multi-core tubings, which can be up to 50000fts/coil. Our control line diameters range from 3.18mm (0.125") to 38.1mm(11/2"), and we can provide welded coiled tubing up to 10000 meters in length without butt welds. We can mainly supply materials of 304/L,316/L,316Ti, 2205/2507,alloy 625/825,etc.
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PRODUCT CATEGORY

Capillary Tube

· Length is up to 50000fts
· Stainless steel, duplex steel and nickel alloy
· Petrochemical, geothermal, aerospace...

Encapsulated Control Line

· Oilfield service, shipbuilding...
· Used as chemical injection line, TEC cable...
· Stainless steel, duplex steel and nickel alloy

Welded Coiled Tubing

· Length is up to 50000fts
· Stainless steel, duplex steel and nickel alloy
· Petrochemical, geothermal, aerospace...

Control Line Flatpack

· Oilfield service, shipbuilding, 
· Used as chemical injection line, downhole tools, TEC cable...
· Stainless steel, duplex steel and nickel alloy

Geothermal Coiled Tubing

· Length is up to 50000fts
· Stainless steel, duplex steel and nickel alloy
· Petrochemical, geothermal, aerospace...
 

Multi-core Tubing

· Oilfield service, shipbuilding,
petrochemical...
· Used as chemical injection line, downhole tools, TEC cable...
· Stainless steel, duplex steel and nickel alloy

Heat Exchanger Tube


· Stainless steel, duplex steel and nickel alloy
· Coil Heaters, coil wound  heat exchanger, tubular heater
 

Cable

· Oilfield service, wind energy, hydroenergy...
· Used as fiber cable, composite cable, logging cable, heating cable...
· Stainless steel, duplex steel and nickel alloy

WHY CHOOSE US 

Wide size range, overlength without orbital welding

Our control line diameters range from 3.18mm (0.125’’) to 38.1 mm(1 1/2’’), and we can provide welded coiled tubing up to 10000 meters in length without butt welds.

Strict Stress Testing

All welded coiled tubing have passed 100% high-pressure testing, with a conventional testing pressure of 5000PSI,and a maximum of 15000PSI. (Note: The standard test pressure for seamless pipes is 7MPa, and our welded coiled tubing test pressure is much higher than the seamless pipe pressure test standard)

Fast Delivery Time

 
We have regular grade and sizes of welded coiled tubing in stock all year round, which can quickly respond to customers' urgent needs and ensure timely delivery.

DIGITAL SHOWROOM

 

If you want to learn more about our manufacturing capabilities, you can click on the avatar in the scene, or accept my invitation!

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LATEST NEWS

News
From Factory Clusters To AI Driven: MTSCO Builds Supply Chain Assurance for You by 2026

Recently, MTSCO held a 2025 summary and 2026 strategic planning meeting. Looking back on this year, in the challenging global market, MTSCO not only achieved steady growth in sales, but also measured the world with our footsteps - our footprint covers 15 countries in Asia, Oceania, America, Europe,

New Regulations for China's Steel Exports in 2026: Is Your Supply Chain still Safe?

On December 9, 2025, the Chinese Ministry of Commerce issued Announcement No. 79, announcing the implementation of "export license management" for some steel products from January 1, 2026. This policy will completely change the procurement pattern, and the "compliance" of the supply chain will become the key to shipment.

MTSCO Supports Petrobras FPSO P80/P83 Project

MTSCO undertook a critical supply mission for Petrobras's FPSO P80/P83 deepwater oil and gas platform: the delivery of 1,500 tons of 2507/2205 duplex steel fittings and flanges within a 60-day window. Key Achievements & AdvantagesSuccessfully delivered 1,500 tons of duplex steel productsMaterial

For Oilfield Applications: Material Solutions for Heat Exchanger Performance

MTSCO continues to monitor global industrial market trends. Recent industry data shows that the global heat exchanger market is experiencing strong growth, expected to reach $25.5 billion by 2030, with a compound annual growth rate (CAGR) of 5.3%.

Unveiling The 'invisible Killer' That Causes Metal Corrosion - Atmospheric Corrosion

Metal corrosion refers to the destruction of metals caused by the chemical action of environmental media, combined with physical, mechanical, or biological factors.The damage of materials or structures caused by chemical or electrochemical reactions under atmospheric conditions is called atmospheric

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