Cangzhou Langkun Pipeline Co., LtdEstablished In 1988, "Mengcun County Canghai Pipeline Accessories Factory". After More Than 30 Years Of Development And Strategic Restructuring, The Company Has Successfully Transformed Into A Large-scale Industrial And Trade Group Integrating Pipeline Technology Research And Development, Equipment Manufacturing, Accessory Supply, Anti-corrosion And Insulation, Low-temperature Pressure Vessel Manufacturing, Precision Casting, And International Trade.

The Company Is Rooted In The "China Pipeline Equipment Manufacturing Base" - Mengcun Hui Autonomous County, Cangzhou City, Hebei Province. It Is Located In The Hope New Area And Enjoys Unique Strategic Location And Transportation Advantages

Through Land And Sea Transportation, It Can Reach The World: Only 40 Kilometers Away From Huanghua Port, An Important Node Of The "the Belt And Road", And 160 Kilometers Away From Tianjin New Port, The Largest Port In The North. The Conditions For Product Export And Shipping Are Extremely Convenient.

The Road Network Is Crisscrossed And Radiates Across The Country: It Borders The Beijing Shanghai/Jincang Expressway To The West, The Beijing Shantou Expressway And National Highway 205 To The East, The Beijing Tianjin Tangshan Economic Circle To The North, And The Qilu Region To The South, Forming An Efficient And Fast Land Transportation Network Covering The Whole Country.

The Company's Leading Products：

1. Large Caliber Thick Walled Straight Seam Double-sided Submerged Arc Welded Steel Pipe (JCOE):

The Specifications Range From φ 325mm To φ 2020mm, With A Wall Thickness Of 7mm To 100mm. The Implementation Standards Include GB/T9711, GB/T3091, ISO3183, API SPEC 5L, DNV-OS-F101, And Other Customer Standards. Material: Q235-Q590, L175-L555, X42-X80 Pipelines And Alloy Steel Pipes, Processed With Various Materials Of Steel Pipes And Stainless Steel Pipes.

2. Large Caliber Spiral Seam Double-sided Submerged Arc Welded Steel Pipe:

The Specifications Are From φ 219 To φ 3620mm, With A Wall Thickness Of 5-25.4mm. The Product Complies With API Spec 5L, EN10217, AWWA C200, GB/T9711, GB/T3091, GB/T23257 (anti-corrosion), GB/T18593 (anti-corrosion), SY/T0315 (anti-corrosion), SY/T0442 (anti-corrosion), SY/T0413 (anti-corrosion), SY/T0447 (anti-corrosion), SY/T0457 (anti-corrosion), DIN30670 (anti-corrosion), AWWA C210 (anti-corrosion), CJ/T120 And Other Standards. The Steel Grade Is B-X100 Spiral Seam Double-sided Submerged Arc Welded Steel Pipe, Anti-corrosion Steel Pipe, And Insulation Steel Pipe.

3. Seamless Steel Pipe:

The Company Has Over 30000 Tons Of Various Steel Pipes Available Year-round, Made Of Various Materials SA106B、20G、20#、Q345、Q345E、A333GR.6、L245N/GR.B、L360N/X52N、12Cr1MoVG、15CrMoG、1Cr5Mo、1Cr9Mo、10CrMo910、A335P5/P9/P11/P12/P22/P91/P92、WB36 And Various Austenitic Stainless Steels.

4. Petroleum Steel Pipe:

The Main Products Include Casing 4-1/2 "-20", Oil Pipe 2-3/8 "-4-1/2", Steel Grades: H40, J55, K55, N80-1, N80-Q, L80-1, L80-9Cr, L80-13Cr, P110, Q125, Etc. Thread Types: Offset Ladder, Long Circle, Short Circle, Straight Connection, Special Buckle, Etc

5. Steel Pipe Fittings:

High, Medium, And Low Pressure Elbows, Bends, Tees, Tees, Reducers, Heads, Flanges, Supports And Hangers, And Plug-in Series Products.

6. Polyethylene Pipes And Fittings:

The Product Covers A Range Of DN25-DN800, Including Polyethylene Pipes And Fittings, Steel Wire Mesh Skeleton Polyethylene Composite Pipes, And A Complete Set Of Electric Melting Fittings, With An Annual Production Capacity Of 60000 Tons. Annual Production Of 1 Million Steel Plastic Conversion Pipe Fittings.

7. Valves And Accessories:

The Products Include Various Pipeline Specific Valves And Automatic Control Components (pneumatic, Electric) Such As Gate Valves, Globe Valves, Ball Valves, Butterfly Valves, Check Valves, Low-temperature Valves, Etc.

8. Low Temperature Equipment:

Low Temperature Liquid Storage Tanks, Tank Containers, Asuda, Container Transport Semi Trailers, Low-temperature Liquid Pumps, Air Bath Vaporizers, Gas Pressure Regulating Devices, Gasification Pressure Regulating And Non-standard Pressure Vessels, Etc.

The Company Relies On Its Strong Industrial Foundation And Technological Strength, Focusing On The Production And Supply Of Products Such As Pipelines, Fittings, Flanges, Valves, Low-temperature Equipment, Etc. The Products Are Widely Used In Various Fields Such As Petroleum, Natural Gas, Chemical, Electricity, Heat, Water Conservancy, Ports, Urban Construction, Etc.   

Langkun PipelineAdhering To The Business Philosophy Of "quality First, Customer Foremost, Innovation Driven, And Win-win Cooperation", We Are Committed To Providing Global Customers With "safe, Reliable, And Efficient" Pipeline System Solutions. We Have Become A Core Supplier For Many Large-scale Engineering Projects And Industrial Enterprises At Home And Abroad.