Our Products  /  Flanges

Custom Flanges,
Built to Your Specification

From DWG to delivery — we manufacture flanges to Australian, international, or customer-defined standards, with full coating and surface treatment options.

AS 2129 Compatible ANSI / DIN / JIS Custom DWG Accepted Epoxy Powder Coating Anti-Rust Treatment Export to AU & SEA
Request a Quote
Stainless steel flanges in production crates
Yellow epoxy coated flange finished product Yellow epoxy coated flange close up

What We Can Produce

Our factory handles all common flange types and can manufacture to any customer-supplied drawing.

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All Standard Flange Types

Slip-on, weld neck, blind, socket weld, threaded, lap joint — in carbon steel, stainless steel, or alloy steel.

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Custom DWG Manufacturing

Submit your AutoCAD DWG or PDF drawings and we will manufacture to exact specification. No catalogue minimums.

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Surface Treatment & Coating

Sandblasting, shot blasting, anti-rust primer, epoxy powder coating (yellow for gas, black for water), and FBE coating available.

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Flexible MOQ & Export

We serve Australian builders, Southeast Asian importers, and project buyers globally. Competitive FOB Shenzhen / FOB Guangzhou pricing.

Supported Standards

We manufacture to the following standards, or fully custom per your DWG.

Standard Region / Application Notes
AS 2129 Australia / New Zealand Tables D, E, F, H — water, gas, and general service
ANSI / ASME B16.5 United States / International Class 150 to 2500, all common sizes
DIN / EN 1092 Europe PN6 to PN100
JIS B2220 Japan / Southeast Asia 5K to 40K ratings
Customer DWG Any region Submit AutoCAD DWG or PDF — we manufacture to your spec
💡 Sampling available: We offer production samples for quality verification before bulk orders. AS 2129 test samples can be arranged. Contact us to discuss your project timeline.

From Factory to Site

All flanges are machined in our Mainland China partner facility and QC-inspected before export.

Large batch of machined flanges in wire crates Stacked flanges awaiting coating

How to Order

Send Enquiry

WhatsApp or email us your standard, size range, quantity, and coating requirements.

Submit DWG

For custom flanges, share your AutoCAD DWG or PDF. We review and confirm feasibility.

Quotation

We provide a FOB price and lead time within 2 business days.

Sample / Approval

Sample production available before bulk order commitment.

Production & QC

Factory production with dimensional and coating inspection.

Shipment

Export documentation, freight coordination, and delivery to your port or site.

Ready to Source Your Flanges?

Send us your drawings, standard, and quantities. We'll respond within 2 business days with a quote.

WhatsApp Us hello@jrtradinghk.com

+852 6661 0289  |  Hong Kong based, Mainland China production