BAOLAI API 5CT Certificate
info@baolaipipes.com 
+86-13821217904
info@baolaipipes.com +86-13821217904Pioneering Steel Pipe Manufacturer Since 1991.
Factory-direct certified pipes (UL/FM/JIS/ASTM/API/EN) | China’s Top 500 Manufacturer Guarantee | We Deliver Quality
Fire Pipes
Guaranteed for superior fire safety: BAOLAI fire pipes meet the rigorous standards of UL and FM certification.
Welded Pipes
BAOLAI welded pipes deliver reliable performance for diverse industrial application.
Seamless Pipes
BAOLAI seamless pipes offer superior strength and reliability for demanding high-pressure and critical applications.
Hollow Section
Hollow section pipes provide exceptional strength and versatile design for diverse structural and architectural applications.
Galvanized pipes
Available in both hot-dip and pre-galvanized finishes, provide superior corrosion resistance and an extended lifespan for diverse applications.
ABOUT BAOLAI
STEEL PIPES, GLOBAL TRUST
Est. 1991 | China Top 500 Manufacturer
With over 33 years of expertise, BAOLAI specializes in manufacturing ERW welded steel pipes, UL/FM certified fire sprinkler systems ,galvanized steel pipes, and seamless steel pipes. Operating 13 advanced production lines, we boast an annual capacity exceeding 5 million tons and serve customers in more than 150 countries worldwide. From raw material production to comprehensive system solutions, BAOLAI delivers end-to-end steel excellence.
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— TRUSTED WORLDWIDE
Global Energy Conglomerates & Infrastructure Leaders
Peru Market
Lima Commercial Complex Project
“Peru lies along the Pacific Ring of Fire, where seismic resistance is critical for building structures. Baolai’s square and rectangular tubes offer uniform wall thickness and tight dimensional tolerances, performing consistently in multiple commercial complex projects in Lima. They are our preferred long-term supplier.”
— Structural Engineering Director, Lima
Philippines
Commercial Fire Protection Infrastructure
“Philippine fire safety regulations require all imported fire pipes to carry UL or FM certification. Baolai’s fire sprinkler pipes not only hold both certifications but also typically arrive at Manila Port within 25 days from order placement, significantly shortening our project lead times.”
— Lead MEP Contractor, Metro Manila
Singapore
High-Spec Civil Infrastructure Network
“Singapore has stringent quality requirements for construction materials, requiring third-party inspection reports for every batch. In ten more years of cooperation with Baolai, their ERW welded pipes have never had a quality issue, with first-pass inspection rates close to 100%. That’s why we keep coming back.”
— Senior Procurement Manager, Singapore
Industries Expert
Different industries demand specific pipe solutions. At Baolai Steel Pipe Supply, our professionals leverage deep industry knowledge and experience to deliver exactly what your sector
ENGINEERED FOR EXTREMES
Landmark Engineering Deployments
Explore how Baolai high-tensile structural and fire sprinkler pipes empower high-load civil, aviation, and offshore infrastructure worldwide.
China · GBA
MEGA MARINE INFRASTRUCTURE
Hong Kong-Zhuhai-Macao Sea-Crossing Bridge Support System
Supplying critical high-tensile structural pipe solutions for secondary bridge frameworks, heavy steel pipe composite pile supports, and bridge deck auxiliary trusses under high marine salinity conditions.
SUPPLY VOLUME
1,000 MT
PRODUCT TYPE
ERW & RECTANGULAR (SHS/RHS)
STANDARD
ASTM A500 / A53 GR.B
SURFACE TREATMENT
Marine-Grade Hot-Dip Galvanized
China · Beijing
RECORD-BREAKING AVIATION
World's Largest A380 Aircraft Hangar Tri-Layer Welded Ball Grid Roof
Precision square/rectangular tubes and ERW pipe components engineered for the world’s largest A380 maintenance hangar roof space frame and long-span primary truss chords.
SUPPLY VOLUME
~2,000 MT
PRODUCT TYPE
Hollow Sections & ERW Tubes
STANDARD
GB/T 6728 & GB/T 3091
SURFACE TREATMENT
Heavy Hot-Dip Galvanized
Bangladesh
NATIONAL CIVIC STADIUM
National Stadium Grandstand Canopy & Spatial Truss System
Supplied structural square and rectangular tubes and welded pipes to create the grandstand canopy frame, spatial roof trusses, and facade curtain wall supporting structures.
SUPPLY VOLUME
1,200 MT Total
PRODUCT TYPE
SHS 860 MT + ERW/Galv 340 MT
STANDARD
ASTM A500 / ASTM A53
SURFACE TREATMENT
Heavy Hot-Dip Galvanized
China · Shandong
STATE ULTRA-HIGH VOLTAGE GRID
Ultra-High Voltage (UHV) Transmission Grid Lattice Towers
Heavy-duty structural steel pipes replacing traditional angle steel for high-altitude UHV lattice towers, substation structural gantries, and lightning wire supports.
SUPPLY VOLUME
~3,200 MT
PRODUCT TYPE
High-Strength Structural Pipes
STANDARD
ASTM A500 Structural Grade
SURFACE TREATMENT
Heavy-Duty HDG Weathering
China · Tianjin
AIRPORT TRANSPORTATION HUB
International Airport Terminal Fire Sprinkler & Comprehensive Utility Mains
FM/UL approved sprinkler pipes alongside civil structural tubes for the main airport terminal, multimodal transit hub automated fire suppression, and drainage networks.
SUPPLY VOLUME
~1,500 MT
PRODUCT TYPE
Fire Sprinkler & Structural Pipes
STANDARD
UL / FM & ASTM A500/A53
SURFACE TREATMENT
Epoxy Powder Coated (Red) & Galvanized
Peru
HIGH SEISMIC ZONE COMMERCIAL
Lima Commercial Multi-Story Seismic Fire Protection Network
Premium fire sprinkler pipes with FM & UL authentication engineered for earthquake-prone zones, ensuring uniform thickness and high pressure tolerance across Lima’s commercial complexes.
SUPPLY VOLUME
500 MT
PRODUCT TYPE
Fire Sprinkler Pipes (Risers/Mains)
STANDARD
FM Approved & UL Listed
SURFACE TREATMENT
Electrostatic Red Epoxy Powder
Venezuela (South America)
ENERGY & HYDROCARBON LOGISTICS
Trans-Regional Long-Distance Petroleum & Natural Gas Transmission Pipeline
High-grade ERW line pipes complying with API 5L PSL2 standards for overland high-pressure crude oil and gas delivery, tested with 100% full-weld ultrasonic inspection.
SUPPLY VOLUME
~1,000 MT
PRODUCT TYPE
ERW Long-Distance Line Pipes
STANDARD
API 5L Gr.B (PSL2)
SURFACE TREATMENT
Heavy-Duty Anti-Corrosion Varnish
China · Beijing
CIVIC LANDMARK ARCHITECTURE
Capital Landmark Civic Center Secondary Structural Framework
Hot-dip galvanized ERW and structural rectangular tubes applied in the civic center’s secondary structural load-bearing frameworks and high-durability facade truss supports.
SUPPLY VOLUME
~1,000 MT
PRODUCT TYPE
ERW Pipes & Rectangular Tubes
STANDARD
GB/T 3091, ASTM A53 Gr.B
SURFACE TREATMENT
Hot-Dip Galvanized
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China · GBA
Hong Kong-Zhuhai-Macao Bridge
1,000 MT
02
China · Beijing
World's Largest A380 Aircraft Hangar
~2,000 MT
03
Bangladesh
National Stadium Spatial Roof Canopy
1,200 MT
04
China · Shandong
Ultra-High Voltage (UHV) Transmission Towers
~3,200 MT
05
China · Tianjin
International Airport Terminal & Water Grid
~1,500 MT
06
Peru
Lima Commercial Seismic Fire System
500 MT
07
Venezuela (South America)
Trans-Regional Oil & Gas Pipeline
~1,000 MT
08
China · Beijing
Capital Landmark Civic Center Trusses
~1,000 MT
Where Service Knows No Boundaries
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Our Advantage
Manufacturer Strength
As a leading manufacturer, we produce pipes that meet API, ASTM, JIS, BS, DIN, LQRA, and EN standards, and operate galvanizing facilities. With a workforce of around 1,500 employees…
One-stop Service
Our dedicated team provides technical support to help customers select the right steel and maximize product use.
BAOLAI API 5L Certificate
BAOLAI Pipes FM Certificate
BAOLAI Pipes Israel Certificate
BAOLAI singapore trademark
FPC 1
FPC2
ISO 9001
ISO 14001
ISO 45001
JIS G3444
JIS G3452
PED
UL-01
UL-02