Drinking Water Pipeline: A Guide to AWWA C200 Standards, Materials, and Linings
Introduction Municipal water delivery systems is the lifeline of modern cities, and it is responsible for providing clean and safe water to millions...
Premier LSAW Steel Pipe Manufacturer in China
High-Performance LSAW Steel Pipes (JCOE) for Oil & Gas
ALLLAND specializes in manufacturing large-diameter Longitudinal Submerged Arc Welded (LSAW) pipes using advanced JCOE technology. Certified to API 5L and international standards, our pipes deliver exceptional strength and reliability for high-pressure transmission and offshore projects.
OUR PRODUCTS
Alllandpipes LSAW Pipes: Precision-Crafted for Unmatched Reliability.
PRODUCTION LINE
Where Excellence is Forged: Inside Alllandpipes’ State-of-the-Art LSAW Pipe Mill.
Step 1
Board inspection
Step 2
Cutting and blanking
Step 3
Edge Milling
Step 4
Pre-benting
Step 5
forming
Step 6
Seam pre-welding
Step 7
Internal welding
Step 8
External welding
Step 9
finishing
Step 10
straighten
Step 11
Online ultrasonic flaw detection
Step 12
Expansion
Step 13
water pressure test
Step 14
Portable Ultrasonic Flaw Detector
Step 15
X-ray flaw detection
Step 16
chamfer
Step 17
Degaussing
APPLICATION AREAS
Powering Critical Infrastructure Worldwide: Alllandpipes LSAW Solutions.
ABOUT ALLLAND
Hebei Allland Steel Pipe Manufacturing Co., Ltd., a National High-Tech Enterprise headquartered in China’s “Pipe Equipment Capital” Cangzhou, Hebei Province, specializes in R&D and production of thick-walled, large-diameter double-sided submerged arc welded longitudinal pipes. Spanning 220,000 m² with RMB 700 million invested, our intelligent manufacturing complex features 2 JCOE production lines and 5 anti-corrosion coating lines, achieving annual outputs of 200,000 tons of premium steel pipes and 4 million m² of protective coatings.
- sales@alllandpipes.com
- +86 22 8279 9516
- +86 195 2338 1749
"Alllandpipes Proviede Awesome Steel Pipes,deliver exceptional products"
OUR PARTNERS
Partnering for Excellence: Building the Future of Pipeline Projects with Alllandpipes.
LATEST NEWS
Alllandpipes News: Driving Innovation and Excellence in LSAW Pipe Solutions.
Top 10 LSAW Steel Pipe Manufacturers in 2026 (2025 Review)
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CONTACT ALLLAND
Your Partner for Excellence: Connect with Alllandpipes Today.
Hebei Allland Steel Pipe Manufacturing Co., Ltd.
Zhifangtou Industrial Park, Cangzhou City, Hebei Province
Hebei Allland Steel Pipe Manufacturing Co., Ltd.
- Zhifangtou Industrial Park, Cangzhou City, Hebei Province
- sales@alllandpipes.com
- +86 22 8279 9516 / +86 195 2338 1749