Precision MIG / TIG Welding Service for Sheet Metal Parts

What Is Welding?

Welding is more than just joining metal; it's about ensuring structural integrity while maintaining design aesthetics. At Huarui, we specialize in high-precision welding for complex assemblies. From robust industrial frames to seamless robot housings, our certified welders and robotic systems deliver deep penetration with minimal thermal distortion.

TIG Welding (GTAW): Ideal for thin-gauge stainless steel and aluminum, providing ultra-clean and precise joints for medical and food-grade equipment.

MIG Welding (GMAW): Optimized for high-speed, high-strength production of heavy-duty industrial frames and carbon steel structures.

Robotic Laser Welding: Ensures 100% consistency and minimal heat-affected zones (HAZ) for mass-produced components.

Spot Welding: Efficient and reliable joining for sheet metal enclosures and brackets.

Specifications

Why Partner with Huarui?

Advanced Equipment: 12,000W Fiber Lasers for Complex pattern and fine detail cutting.

Technical Expertise: 15+ years of experience in robotics and industrial enclosure fabrication.

Reliable Lead Times：With two manufacturing factories, we are able to balance production loads and respond flexibly to urgent or high-volume orders.

Quality Assured: ISO certified facility with 100% inspection before shipping.

RoHS & REACH Compliance：All materials used in our sheet metal fabrication comply with RoHS and REACH regulations.

Quality Assurance

Visual Inspection: 100% check for weld bead uniformity and surface defects.

Penetration Testing (PT): Use of dye penetrants to ensure there are no cracks or leaks in critical joints.

Leak Testing: Available for sealed enclosures or liquid-cooling components.

Dimensional Accuracy: Post-welding CMM inspection to ensure tolerances are met after thermal cooling.

Package

Protection: Scratch-resistant PE film & EPE foam buffering.

Crating: Custom fumigation-free wooden cases for heavy components.

Global Reach: Express (DHL/FedEx) for samples; Sea/Air freight for mass production.

FAQ

Q1: How do you prevent thin sheet metal from warping during welding? 

A: We utilize custom-designed welding fixtures to hold parts in place and employ TIG or Laser welding to minimize heat input. Our engineers also plan specific welding sequences to balance thermal stresses.

Q2: Can you provide "seamless" welds for exterior housings?

A: Yes. We perform full welding followed by professional grinding and sanding. Once painted or powder-coated, the joints become completely invisible, providing a premium "unibody" look for products like robot shells.

Q3: Do you offer welding for aluminum alloys? 

A: Absolutely. We have specialized AC-TIG equipment and experienced welders specifically for aluminum, ensuring strong, oxide-free joints without porosity.

Q4: Do you accept small orders for welded prototypes? 

A: Yes, we support 1-unit prototype orders. Our engineering team will work closely with you to refine the design for manufacturing (DFM) before scaling to mass production.

Q5: What is the lead time for laser-cut samples?

A: We typically deliver prototypes within 3-5 business days.