Your Quality Assurance Partner in China forASME / EN Pressure Flangesfor Chemical & Pressure Vessel Manufacturers

Over 10 years experience in supplying chemical equipment and pressure vessel manufacturers.

ASME Certified
EN Standards
GB Standards

Engineer-to-Engineer Communication

I speak your technical language. No more misunderstandings on drawings and standards.

Independent Quality Auditing

Not just placing orders. I audit every step from raw material to final documentation.

Contract-Backed Guarantee

If the product doesn't match your drawing, we take responsibility. Written in contract.

Engineering-Grade Flanges & Supply Chain Control

Comprehensive services from drawing review to final delivery

Drawing Review & Suggestion

Accept PDF/hand-drawn/old blueprints, interpret and match precisely.

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Factory Matching

Select the best factory from audited network based on material, standard, quantity.

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Quality Control

Raw material validation, in-process dimensional checks, NDT supervision.

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Certification Management

Full traceable documentation: EN 10204 3.1, NDT reports, heat treatment curves.

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Logistics & Export

Sea/air freight, LCL/FCL, Shanghai export customs clearance.

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Sample & Small Batch

Custom samples and small batches welcome, filling gaps ignored by large factories.

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Production Capability

From raw material forging to precision machining, we oversee every step of the production process to ensure your flanges meet exact specifications and quality standards.

CNC Cutting Process
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Manufacturing

CNC Cutting Process

Precision cutting of large flange discs with CNC equipment

Industrial Pipeline System
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Application

Industrial Pipeline System

Flange applications in industrial pipeline systems

Finished Weld Neck Flange
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Product

Finished Weld Neck Flange

Precision machined weld neck flange ready for inspection

Process Piping Installation
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Application

Process Piping Installation

Flange connections in process piping systems

Large Diameter Flange
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Product

Large Diameter Flange

Custom large diameter flange with multiple bolt holes

Precision Machined Flange
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Product

Precision Machined Flange

High-quality surface finish on machined flange

Stacked Flange Components
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Product

Stacked Flange Components

Quality flange components ready for assembly

Ring Type Flange
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Product

Ring Type Flange

Precision ring type flange for special applications

Hot Forging Process
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Manufacturing

Hot Forging Process

High-temperature forging of flange blanks

Export Packaging
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Packaging

Export Packaging

Professional export packaging with protective wrapping for ocean transport

Warehouse Stock
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Packaging

Warehouse Stock

Large inventory of finished flanges ready for shipment

Bulk Production
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Packaging

Bulk Production

Mass production capability for large orders

Surface Protection
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Quality Control

Surface Protection

Worker applying protective coating to large flange assembly

Large Weld Neck Flanges
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Product

Large Weld Neck Flanges

Stacked weld neck flanges with protective coating

Custom Flange Assembly
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Product

Custom Flange Assembly

Large custom flange with blue protective ring

Ring Forging
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Product

Ring Forging

Large ring forging for pressure vessel application

Traceability Marking
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Quality Control

Traceability Marking

Engraved specifications for full traceability

Bulk Flange Production
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Packaging

Bulk Flange Production

Large quantity production ready for delivery

Dye Penetrant Testing - Developer Application
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Quality Control

Dye Penetrant Testing - Developer Application

White developer coating applied after penetrant - reveals surface defects through color contrast

Packaged Flange Set
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Packaging

Packaged Flange Set

Complete flange set with protective packaging ready for shipment

Dye Penetrant Testing - Inspection
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Quality Control

Dye Penetrant Testing - Inspection

Red dye penetrant reveals surface cracks and defects under proper lighting

Industries We Serve

Specialized solutions for different industrial applications

Chemical Equipment Manufacturers

Reactors, towers, heat exchangers flanges. Focus on corrosion-resistant materials and high-pressure sealing.

Pressure Vessel Manufacturers

ASME/PED/GB certification requirements. Strict quality documentation and traceability.

Engineering Companies

Petrochemical, refining, power plant projects. Large volume supply capability and project cycle coordination.

Have a drawing? Let's talk about what could go wrong — before it does.

Get professional feedback on your flange specifications and avoid costly mistakes before production begins.

Upload Drawing & Get Quote