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.
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.
Learn More →Factory Matching
Select the best factory from audited network based on material, standard, quantity.
Learn More →Certification Management
Full traceable documentation: EN 10204 3.1, NDT reports, heat treatment curves.
Learn More →Sample & Small Batch
Custom samples and small batches welcome, filling gaps ignored by large factories.
Learn More →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
Precision cutting of large flange discs with CNC equipment

Industrial Pipeline System
Flange applications in industrial pipeline systems

Finished Weld Neck Flange
Precision machined weld neck flange ready for inspection

Process Piping Installation
Flange connections in process piping systems

Large Diameter Flange
Custom large diameter flange with multiple bolt holes

Precision Machined Flange
High-quality surface finish on machined flange

Stacked Flange Components
Quality flange components ready for assembly

Ring Type Flange
Precision ring type flange for special applications

Hot Forging Process
High-temperature forging of flange blanks

Export Packaging
Professional export packaging with protective wrapping for ocean transport

Warehouse Stock
Large inventory of finished flanges ready for shipment

Bulk Production
Mass production capability for large orders

Surface Protection
Worker applying protective coating to large flange assembly

Large Weld Neck Flanges
Stacked weld neck flanges with protective coating

Custom Flange Assembly
Large custom flange with blue protective ring

Ring Forging
Large ring forging for pressure vessel application

Traceability Marking
Engraved specifications for full traceability

Bulk Flange Production
Large quantity production ready for delivery

Dye Penetrant Testing - Developer Application
White developer coating applied after penetrant - reveals surface defects through color contrast

Packaged Flange Set
Complete flange set with protective packaging ready for shipment

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