OEM Stainless Steel Flange

We specializes in supplying OEM stainless steel flanges to industrial distributors, trading companies, and engineering supply resellers across 20+ countries

Why choose us?

EXPLORE OUR OEM sTAINLESS STEEL FLANGES

We also offer customized flanges to meet your customer’s unique and demanding needs. 

CONTACT OUR SPECIALIST now and let us know your requirements—we will get back to you within 24 hours.

PRODUCT CATALOG

Get Instant Data & Drawings for Your custom flange Solution

Hassle-Free Export Documentation

CUSTOMIZED SERVICE
stainless steel flange quality testing

Quality Assurance

​Profit-Driven Pricing

stainless steel flange manufacturer longan
longan stainless steel flange manufacturer

Efficient Logistics

Where Our Flanges Are Used

Pipeline Connections

Chemical/Petrochemical Plants

Water Treatment/Distribution

Food, Pharmaceutical Industries

Ask for Flange at your BEST PRICE!

Certifications

ISO 9001 Certification
ISO 45001 Certification
ECM Certification

Exhibition

Unlock Bulk Order Savings: Claim Exclusive Pricing for OEM Stainless Steel Flanges

Please complete our request form or contact us directly via email at mft@longanflange.com, phone at +86-15258415825, or WhatsApp for a personalized quote from our product specialists.

MOQ starts at ​10 pieces per flange type. We allow mixed batches (e.g., 5 WN + 5 SO) to meet your inventory needs.

Yes! We produce non-standard sizes (1/2″ to 60″ OD), special materials (Duplex 2205), and unique drilling patterns. Submit your specs for a ​free engineering review.

Every order includes ​MTC (Mill Test Certificates) and ​ICR (Inspection Compliance Reports). We also offer 3.1/3.2 material certificates for EN 10204 compliance.

We support ​T/T, L/C, and Alibaba Trade Assurance. New clients: 30% deposit, 70% before shipment. Repeat clients qualify for staggered payments.

Export-ready options:

  • Wooden crates with waterproof film (FCL)
  • Palletized LCL with corner protectors
  • Custom labeling (barcodes, ODM logos, country-specific warnings)
  • Standard flanges: 14-21 days
  • Custom designs: 21-28 days
  • Urgent orders: 7–14 days (priority surcharge applies)

Yes. We work with ​SGS, BV, and TÜV for pre-shipment inspections.

We provide ​1 sample (you only pay product fee, we will cover shipping cost). Samples include full testing reports (dimensions, PMI, pressure rating).

Our 3-stage QC process:

  1. Raw material check (spectral analysis)
  2. In-process inspection (CNC tolerance monitoring)
  3. Final audit (hydrostatic testing + dimensional verification)
  1. Full export docs included:

    • Commercial invoice & packing list
    • Bill of Lading/Airway Bill
    • Certificate of Origin (COO)
    • CE/ASME compliance statements
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