Butt-Weld Fittings
& Forged Flanges
Wenzhou company, mill in Lishui | DN15–DN3000 | 304/316L/2205/2507
ISO 9001, ASME B16.5/B16.9, PED 2014/68/EU | Reply within 24 hours
Possessing International Mainstream Market Qualifications
Our Product Range
Comprehensive stainless steel solutions engineered to global standards
Butt-Weld Fittings
Elbows, tees, reducers, caps • Cold/heat forming • ASME B16.9, EN 10253, DIN 2605
Forged Flanges
SO, WN, blind, lap joint • Class 150–2500 • ASME B16.5, EN 1092-1
Custom Fabrication
Non-standard per drawing • OEM/ODM for long-term projects
Seamless & welded stainless steel pipes available on inquiry. Contact us for pipe schedules.
What Engineering Managers Look For
Critical specifications and capabilities that ensure project success
Material Grades
304/304L, 316/316L, Duplex 2205/2507
ASTM CertifiedSize Range
DN15-DN3000 (1/4"-120")
Seamless & WeldedStandards
ASME, DIN, JIS, EN, GB
Multi-StandardCustom OEM
Non-standard per drawing
Blueprint SupportComplete Product Range
Stainless Steel Pipes
Seamless & welded • ASTM A312/A269 • DIN 17456/17458
Fittings
Elbows, tees, reducers, caps • Cold/heat forming • Precision machined
Flanges
Forged & plate • ASME B16.5 • EN 1092-1 • Patented anti-leakage designs
Industry Applications - Engineered for Demanding Environments
Trusted by global infrastructure and industrial projects
Oil & Gas
High-pressure extraction & transport.
Chemical Processing
Corrosion resistance in harsh media.
LNG
Cryogenic material stability.
Nuclear Power
Zero-defect high safety standards.
Shipbuilding & Marine
Saltwater corrosion protection (DNV).
Power Plant Boilers
Heat & pressure resistance.
Pulp & Paper
Handling corrosive pulping chemicals.
Water Treatment
Sanitary grade municipal systems.
Semiconductors
Ultra-high purity (UHP) piping.
Chip Manufacturing
Precision fluid control for cleanrooms.
Built on Trust & Precision
22 years of manufacturing excellence for global infrastructure projects
Quality You Can Verify
Full Material Traceability
ASTM/EN compliant raw materials with chemical & mechanical testing from melt to delivery
Rigorous Testing
Dimension tolerance, pressure testing, non-destructive testing (PT/UT/RT)
Third-Party Inspection
SGS, BV, TUV audits supported for your peace of mind
MTR Documentation
Material Test Reports included with every shipment
Global Certifications & Patents
Certified to international standards with proprietary innovations in corrosion protection and leak prevention.
Global Export
Serving customers in US, EU, Japan, Southeast Asia, and Africa
On-Time Delivery
Flexible schedules for large-volume orders and long-term projects
Expert Team
Professional engineers providing drawing support and technical consultation
Speed Up Your Quote
To receive an accurate quotation within 24 hours, please include:
- • Standard (ASME B16.9/B16.5, DIN, EN, JIS, GB)
- • Material grade (304/304L/316/316L/2205/2507)
- • Size & Schedule (DN/NPS + SCH/wall thickness)
- • Quantity required
- • NDE/Testing (PT, UT, RT, or standard acceptance)
- • Delivery address (for freight calculation)
Ready to Secure Your Supply Chain?
Partner with HuaboPipe for reliable, engineering-grade stainless steel solutions. Request a quote or technical consultation today.