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SHEET METAL FABRICATION • CERTIFIED WELDING

Precision Metal Welding Services (TIG / MIG / Laser)

High-Precision TIG, MIG, Handheld Fiber Laser & Automated Robotic Welding Assemblies.

Certified welding engineers delivering leak-tight, structurally sound weldments in aluminum, stainless steel, carbon steel, and titanium. From delicate thin-walled medical boxes to heavy structural robot frames, we ensure superior strength and clean cosmetic blending.

AWS D1.1 & D1.2 Certified Welders
Handheld Fiber Laser & TIG Cells
Full Dye Penetrant & Leak Testing

Industrial Manufacturing for Precision Metal Welding Services (TIG / MIG / Laser)

JYH Prototype combines 100+ precision machining centers, automated inspection, and in-depth metallurgy expertise to deliver components that meet the strictest international engineering tolerances and quality standards.

Fiber Laser Welding

Ultra-narrow heat-affected zone (HAZ) producing high-strength, cosmetic zero-distortion welds.

Cleanroom TIG Cells

Inert argon shielding for sanitary medical and semiconductor stainless steel piping and chambers.

Robotic MIG Cells

Continuous robotic welding for high-volume consistent frame assemblies and chassis.

Post-Weld Blending

Seamless corner grinding and grain restoration for high-end industrial design products.

Engineering Focus: Precision Metal Welding Services (TIG / MIG / Laser)

Four critical manufacturing challenges solved by our Shenzhen factory engineering team through advanced machinery, smart toolpaths, and verified metrology protocols.

Precision TIG Welding for Thin-Walled Stainless & Aluminum Enclosures 500 × 500 HD Natural

Precision TIG Welding for Thin-Walled Stainless & Aluminum Enclosures

Using AC/DC high-frequency pulse TIG with 99.999% pure argon shielding, our welders achieve full penetration on 0.8mm to 3.0mm enclosures with zero burn-through.

  • Machined with calibrated multi-axis kinematics minimizing tool deflection
  • GD&T true position inspected within ±0.005mm using automated CMM
  • Full material mill certs, heat treat data, and FAI documentation provided
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Automated Robotic Cell MIG Welding for Repetitive Frame Assemblies 500 × 500 HD Natural

Automated Robotic Cell MIG Welding for Repetitive Frame Assemblies

6-axis Fanuc robotic welding manipulators ensure repeatable bead geometry and deep root penetration across heavy equipment chassis and tubular frames.

  • Machined with calibrated multi-axis kinematics minimizing tool deflection
  • GD&T true position inspected within ±0.005mm using automated CMM
  • Full material mill certs, heat treat data, and FAI documentation provided
Request Quotation for Similar Geometry
Handheld Fiber Laser Welding with Minimal Heat-Affected Zone (HAZ) 500 × 500 HD Natural

Handheld Fiber Laser Welding with Minimal Heat-Affected Zone (HAZ)

Our 3kW fiber laser welding systems join thin sheet metal at 4× the speed of TIG, generating virtually zero thermal distortion and eliminating post-weld straightening.

  • Machined with calibrated multi-axis kinematics minimizing tool deflection
  • GD&T true position inspected within ±0.005mm using automated CMM
  • Full material mill certs, heat treat data, and FAI documentation provided
Request Quotation for Similar Geometry
Weld Seam Grinding, Blending & NDT Liquid Penetrant Testing 500 × 500 HD Natural

Weld Seam Grinding, Blending & NDT Liquid Penetrant Testing

External weld joints are ground flush and hand-grained to match adjacent sheet brushed finishes, followed by dye penetrant inspection (DPI) to verify crack-free joints.

  • Machined with calibrated multi-axis kinematics minimizing tool deflection
  • GD&T true position inspected within ±0.005mm using automated CMM
  • Full material mill certs, heat treat data, and FAI documentation provided
Request Quotation for Similar Geometry

Capabilities & Quality Protocols

Every part manufactured at JYH Prototype adheres to international engineering standards and rigorous metrology protocols.

Technical & Machine Capabilities

  • Certified welders under AWS D1.1 (Steel), D1.2 (Aluminum), and D1.6 (Stainless)
  • Handheld fiber laser welding, GTAW (TIG), GMAW (MIG), and spot resistance welding
  • Helium mass spectrometer leak testing for vacuum and pressure vessels
  • Post-weld heat treatment (PWHT) and stress-relief annealing furnaces

Metrology & Quality Assurance

  • Zeiss PRISMO 3D CMM Metrology with scanning resolution down to 0.9µm
  • Keyence Optical Non-Contact Flash Measuring System for micro-features
  • XRF Spectrometry for raw metal alloy composition verification
  • AS9102 Form 1, Form 2, and Form 3 First Article Inspection (FAI) packages

Ready to Prototype or Scale Precision Metal Welding Services (TIG / MIG / Laser)?

Upload your 3D CAD models (.STEP, .IGES, .SLDPRT, .X_T) or 2D technical drawings (.PDF, .DWG) to receive an interactive quote with comprehensive Design for Manufacturability (DFM) feedback in under 2 hours.

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Frequently Asked Questions

Common engineering questions regarding tolerances, material traceability, and turnaround for Precision Metal Welding Services (TIG / MIG / Laser).

Can you weld thin aluminum sheet without warping? +
Yes. We utilize precision pulse TIG and state-of-the-art handheld fiber laser welding, paired with water-cooled copper chill bars that rapidly draw heat away from the weld zone.
Do you provide leak-proof welds for fluid or vacuum containers? +
Yes. We fabricate pressurized tanks and vacuum chambers tested with hydrostatic pressure and helium mass spectrometry leak detection down to 1×10⁻⁹ mbar·l/s.
Can you grind weld seams completely smooth? +
Yes. Our finishing team specializes in #4 brushed blending and mirror polishing, making welded corner joints look completely seamless like a solid unibody.
What welding inspection reports can you provide? +
We provide Dye Penetrant Testing (PT), Magnetic Particle Testing (MT), Visual Inspection Reports (VT), and macro-etch weld cross-section verification.
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