Precision Weldment Assembly Services | Custom Welded Components & Structures
At Shanxi Fuding International Trade Co., Ltd., we specialize in the precision fabrication and assembly of custom weldments for demanding industrial applications. With over 14 years of experience, an ISO 9001 certified quality system, and a team of highly skilled engineers and certified welders, we transform raw plates, tubes, and machined parts into robust, ready-to-install welded assemblies. Whether you need a single prototype or volume production, we deliver structural integrity, dimensional accuracy, and on-time performance - all under one roof.
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Materials |
Low, middle, high carbon steel, spring steel , stainless steel (201/301/304/316), aluminum, brass, bronze, copper, titanium, plastic (ABS/POM/PP/nylon/PVC/APET) and wooden, ect. |
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Processing |
Laser cutting, precision stamping, bending, CNC machining, riveting, welding, assembling, etc. |
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Surface Treatment |
Heat treatment, polishing, electronic polishing, plating, electrophoresis, black oxide, hot-dip galvanizing, powder coating, painting, blasting(shot blasting/bead basting), anodizing, phosphating, PAD printing, laser etching, enamel, etc. |
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Logo |
Silk print, laser marking. |
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Size |
Accept custom size. |
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Drawing format |
2D/3D. |
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Lead time |
10-15 working days as usual, it will based on the detailed order quantity. |
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Quality |
100% Testing |
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Delivery way |
EXW, FOB, CIF, DDU, etc. |
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Shipping |
By sea, by air, by train, by express. |
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Payment |
T/T, L/C, Western Union, Paypal. |
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Service |
Customized ODM&OEM. |
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Packaging |
Plywood case or as per customers' requirement. |
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Origin |
China |
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PO steps |
Sending drawing-evaluating-quoting-sampling-testing-feedback-mass production-inspection-packing-shipping. |
Why Choose Us for Your Weldment Assembly Needs?
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Advantage |
What It Means for You |
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End-to-End Responsibility |
We manage the entire process: material sourcing, cutting, forming, welding, heat treatment, machining, surface finishing, and final assembly. One partner, one invoice, total accountability. |
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Certified Welding Expertise |
Our welders are qualified to international standards (AWS, ISO). We employ a range of processes including MIG, TIG, robotic welding, and submerged arc to match your material and joint requirements. |
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Engineering Support |
Our experienced engineers review your drawings and provide DFM feedback to optimize weld design, reduce distortion, and ensure manufacturability. We can also work from your samples or concepts. |
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Rigorous Quality Control |
Every weldment is inspected at critical stages. We use in-house NDT methods (ultrasonic, magnetic particle, dye penetrant) and dimensional inspection with CMM to guarantee compliance. |
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Scalability & Consistency |
From one-off prototypes to high volume runs, our ERP-controlled processes ensure repeatable quality. We support JIT delivery and kanban scheduling for long-term programs. |
Our Weldment Assembly Capabilities
We work with a wide range of ferrous and non-ferrous materials and can handle assemblies of various sizes and complexities.
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Capability |
Details |
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Materials |
Low/medium/high carbon steel, stainless steel (201/301/304/316), aluminum, brass, bronze, copper, titanium, and specialized alloys. |
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Welding Processes |
Gas Metal Arc Welding (MIG), Gas Tungsten Arc Welding (TIG), Shielded Metal Arc Welding (SMAW), Flux-Cored Arc Welding (FCAW), Submerged Arc Welding (SAW), Robotic MIG/TIG, Resistance Welding. |
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Plate & Section Thickness |
From thin gauge (0.5 mm) sheets to heavy plates (up to 100 mm), structural sections (beams, channels, tubes). |
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Assembly Size |
Maximum part size: up to 3,000 mm × 1,500 mm (customizable; contact us for larger dimensions). |
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Post-Weld Operations |
Stress relieving (heat treatment), shot blasting, machining (CNC milling/turning), surface grinding, painting, powder coating, plating, and final assembly with other components (hardware, fittings). |
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Testing & Inspection |
Visual inspection, dimensional measurement (CMM, calipers, gauges), hardness testing, ultrasonic flaw detection, magnetic particle inspection, dye penetrant testing, tensile testing (outsourced if required). |
Our Integrated Weldment Assembly Process
We follow a structured workflow to ensure every weldment meets your specifications - first time, every time.
Project Review & Engineering
You provide 2D/3D drawings or samples.
Our engineers analyze the design for weldability, material selection, and cost optimization (DFM).
We prepare a detailed quotation with lead time and quality plan.
Material Preparation
Raw materials are sourced from certified mills and verified by in house spectrometer.
Cutting: Laser, plasma, or shearing to exact blank sizes.
Forming: Press brake bending, rolling, or stamping of individual components.
Pre-Weld Machining (if required)
Critical interfaces may be pre-machined to ensure final assembly accuracy.
Welding & Assembly
Components are fixtured and welded by certified welders using qualified procedures (WPS).
Robotic welding ensures repeatability for high-volume runs.
In process inspections monitor weld quality and distortion.
Post-Weld Treatment & Finishing
Stress relief (heat treatment) to remove residual stresses.
Shot blasting or grinding for surface preparation.
CNC machining of weldments to achieve tight tolerances on mating surfaces.
Quality Control
100% inspection: dimensional check, visual examination, and non-destructive testing as specified.
Test reports and inspection certificates are provided with shipment.
Surface Finishing & Assembly
Application of protective coatings: painting, powder coating, galvanizing, etc.
Integration of other parts (bearings, hydraulic fittings, fasteners) into the final assembly.
Packaging & Shipping
Custom packaging (plywood crates, steel frames) to prevent damage.
Shipping by sea, air, train, or express according to your requirements (EXW, FOB, CIF, DDU).
Industries We Serve
Our precision weldment assemblies are trusted by manufacturers in:
Heavy Machinery & Equipment
Frames, booms, buckets, bases, and structural supports.
Automotive & Transportation
Chassis components, engine mounts, trailer parts.
Construction & Infrastructure
Bridge sections, safety barriers, crane components.
Energy & Power Generation
Turbine bases, pipe supports, generator enclosures.
Mining & Oil & Gas
Wear-resistant liners, skids, pressure vessel parts.
Material Handling
Conveyor frames, lift table structures, rack systems.
Featured Weldment Assemblies
Complex steel frame for mining equipment – welded, stress-relieved, and machined.
High-precision robotic-welded components for automotive assembly lines.
Stainless steel weldments for food processing machinery, TIG welded and electropolished.
Quality Certifications & Equipment
We back our work with modern inspection equipment and certified processes:
ISO 9001:2015 certified quality management system.
ERP/OAS integrated production control for full traceability.
In-house testing: CMM, hardness tester, spectrometer, ultrasonic thickness gauge, magnetic particle tester.
Welding procedures qualified to AWS D1.1 / ISO 15614 standards (available upon request).
one-stop solution
professional team
high quality
Get a Quote for Your Custom Weldment Assembly
Ready to start your project? Our engineering team is standing by to assist you.
Submit your drawings or describe your requirements - we'll respond within 24 hours with a preliminary analysis and competitive pricing.
Your information is confidential and will only be used to serve your inquiry.
Frequently Asked Questions