Bellows Production Capability

Leading Flexible Connection Solutions | High-Tech Expansion Joint Expert
Bellows forming workshop corner

Bellows forming workshop corner (Groups of workers and press machines can form bellows at the same time)

Forming Capacity
Automatic welding machine

Equipped with Lincoln welder and welding expert system of bellows tube longitudinal seam automatic welding machine

Advanced Equipment
Precision Welding Workshop

Precision Welding Workshop (All the working positions can weld longitudinal seam of bellows at the same time)

Precision Welding
Press machine with large platform

φ5000 press machine with large platform for heavy-duty fabrication

Heavy Machinery
Annealing furnace

Annealing furnace (φ6000×1600) for thermal processing and stress relief

Heat Treatment
Double column vertical lathe

4 meters double column vertical lathe for high-precision large-diameter machining

Precision Machining
Bellows resistance welding

Bellows resistance welding process ensuring flawless multi-layer bonding

Welding Technology
Expansion joint to Italy client

Premium expansion joint engineered and ready for shipment to Italy client

Global Delivery

Machining Capability

Leading Flexible Connection Solutions | High-Tech Expansion Joint Expert
4 meters double column vertical lathe

4 meters double column vertical lathe for high-precision large-diameter machining

Precision Machining
Machining of structural part

Heavy-duty machining of structural parts ensuring structural integrity and precision

Structural Fabrication
CNC machine center

Advanced CNC machine center for multi-axis automated manufacturing

Advanced CNC
Workshop of machining

Fully equipped modern workshop of machining for large-scale production

Workshop Corner

Assemble & Weld

Leading Flexible Connection Solutions | High-Tech Expansion Joint Expert
Submerged arc welding work area

Heavy-duty submerged arc welding work area for deep penetration and flawless joints

Submerged Arc Welding
Gas protection automatic welding machine

Advanced gas protection automatic welding machine ensuring high precision and efficiency

Automatic Welding
Gas protection automatic welding machine station

Precision gas protection automatic welding station for consistent, high-strength welds

Automatic Welding
Submerged arc welding production area

Fully equipped submerged arc welding work area optimized for large-scale fabrication

Submerged Arc Welding
Weld of pipe and bellows

High-precision circumferential weld connecting specialized pipe segments and flexible bellows

Bellows Welding
Appearance of weld seam between bellows and flange

Uniform and flawless weld seam appearance joining standard expansion bellows to heavy flanges

Bellows Welding
Longitudinal weld seam of tube

Continuous, high-penetration longitudinal weld seam structural integrity check on structural tubes

Seam Welding
Appearance of weld seam between pipe and pipe

Excellent structural appearance of heavy-duty multi-pass weld seam joining industrial piping

Seam Welding

General Equipment

Leading Flexible Connection Solutions | High-Tech Expansion Joint Expert
Air compressor central gas station

Centralized air compressor station providing stable and high-efficiency gas supply

Gas Supply System
Industrial drying oven

Heavy-duty industrial drying oven for precise temperature control and moisture removal

Thermal Processing
Water purification unit

Advanced water purification unit delivering high-purity water for processing needs

Water Treatment
Oxygen, Argon, and Carbon Dioxide Tanks

High-pressure storage area for specialized industrial Oxygen, Argon, and CO2 gases

Gas Storage

Quality Assurance

Leading Flexible Connection Solutions | High-Tech Expansion Joint Expert
Lab of weld test

Lab of weld test for non-destructive inspection and weld integrity validation

Welding Testing
Stress Corrosion Test Lab

Stress corrosion test lab assessing material durability under harsh conditions

Corrosion Analysis
Lab of spectrum analysis

Lab of spectrum analysis utilizing SHIMADZU 5500 spectrometer from Japan

Spectral Analysis
Lab of mechanical property test

Lab of mechanical property test evaluated for tensile and yield strength

Mechanical Test
Lab of refractory material test

Lab of refractory material test validating heat-resistant lining performance

Thermal Material
Lab of chemical composition analysis

Lab of chemical composition analysis ensuring strict material standards

Chemical Analysis
Fatigue Life Test Lab

Fatigue life test lab evaluating long-term expansion joint cycles

Fatigue Testing
Fatigue Life Test Lab 2

Advanced fatigue life test setup for multi-axial high-frequency testing

Fatigue Testing

Process Control

Leading Flexible Connection Solutions | High-Tech Expansion Joint Expert
Grain size inspection

Microscopic grain size inspection to analyze material microstructure and strength

Metallurgy
Penetration test

Liquid penetration test for identifying surface-breaking defects and discontinuities

Surface NDT
Ferrite content inspection

Inspecting the ferrite content of weld deposit metal to ensure optimal corrosion resistance

Weld Inspection
Ultrasonic test

High-frequency ultrasonic test for internal flaw detection and thickness sizing

Volumetric NDT
Magnetic test

Magnetic particle test for detecting surface and near-surface structural flaws

Magnetic NDT
X-ray test

Radiographic X-ray test providing full internal volumetric validation of joint welds

Radiography
Helium leakage test

Ultra-precise helium mass spectrometer leakage test for critical sealing performance

Leak Testing
Portable spectrometer

On-site portable spectrometer analysis for rapid and accurate PMI material verification

Material PMI

Final Inspection Before Shipment

Leading Flexible Connection Solutions | High-Tech Expansion Joint Expert
Pressure Test

Comprehensive structural pressure test verifying structural integrity and load safety

Pressure Testing
Tightness test

Strict tightness test ensuring zero gas and fluid leakage under working conditions

Leak Detection
Paint film thickness inspection

Paint film thickness inspection validating anti-corrosion coating specifications

Surface Coating
Hydraulic testing

High-pressure hydraulic testing verifying standard seal and expansion performance

Hydrostatic Test

Structural Parts Production Capability

Leading Flexible Connection Solutions | High-Tech Expansion Joint Expert
Production Capability 1
Production Capability 2
Production Capability 3
Production Capability 4
Production Capability 5
Production Capability 6
Production Capability 7
Production Capability 8
BACK