About Us
Custom Fasteners Manufacturing & Engineering Capability
Precision Custom Fastening Solutions
When standard fasteners are not enough, Welle Fasteners provides precision custom fastening solutions tailored to your project requirements, including custom stainless steel fasteners and CNC machined components.
With over 10 years of experience in fastener engineering and coordinated manufacturing, we support industries such as marine, construction, solar, food processing, chemical equipment, and industrial machinery.
We specialize in OEM custom fasteners, special thread designs, and non-standard fastening solutions, ensuring strength, durability, corrosion resistance, and dimensional accuracy for demanding applications.
Design & Engineering Support
Our engineers work closely with customers throughout the development process to ensure manufacturability and performance.
We provide:
- CAD drawing support
- 3D modeling assistance
- Engineering feasibility analysis
- Technical consultation for OEM fasteners
This ensures every custom fastener is optimized for both production efficiency and real-world application performance.
Advanced Manufacturing & Production Capability
We operate a coordinated manufacturing system capable of producing both standard and non-standard fasteners, including CNC machined components.
Our capabilities include:
- Cold forming for high-volume fasteners
- CNC machining for precision components
- Special thread processing
- Assembly and special structural parts
This enables flexible production from prototype to mass manufacturing with consistent quality control.
Materials & Precision Manufacturing
We work with carefully selected and fully traceable raw materials, including:
- Stainless steel
- Carbon steel
- Alloy steel
- Brass
- Aluminum
- Specialty alloys
All materials comply with international standards and are tested for chemical composition and mechanical performance.
Through controlled production processes and precision machining systems, we ensure:
- Tight tolerances
- Stable mechanical strength
- High corrosion resistance
- Batch-to-batch consistency
Custom Fastener Types & Engineering Flexibility
We provide fully customized fastening solutions covering a wide range of specifications.
Our capabilities include:
- Micro fasteners to large structural components
- Standard and non-standard fasteners
- Custom bolts, screws, studs, pins, sleeves, and assemblies
- CNC machined precision components
We support flexible engineering requirements with tight tolerance control to ensure reliable performance across different industries.
Heat Treatment & Surface Engineering
We operate controlled heat treatment and surface finishing systems, including:
Heat treatment process:
- Pre-cleaning & dephosphorization
- Quenching
- Tempering
- Controlled cooling
Surface treatment capabilities:
- Alkaline zinc plating (3 production lines)
- Zinc-nickel coating
- Phosphating
- Black oxide
- Electrophoresis
- Chromium passivation
- Hydrogen embrittlement relief
These processes ensure mechanical strength, corrosion resistance, and long-term durability.
Quality Inspection & NDT Testing
Our quality system ensures full compliance with international industrial standards.
Testing capabilities include:
- Tensile strength testing
- Salt spray corrosion testing
- Metallographic analysis
- Magnetic particle inspection (MPI)
- Dimensional inspection systems
This ensures structural integrity, internal defect detection, and consistent batch quality for OEM applications.
Packaging & Logistics Management
We provide complete export-ready packaging and logistics solutions:
- Automated screening and sorting systems
- Anti-rust protective packaging
- Standardized labeling and traceability
- Palletized export packaging
- Automated warehouse management system
This ensures accurate delivery, inventory traceability, and safe global transportation.
Global Applications
We support OEM customers with custom stainless steel fasteners, high-strength fastening systems, and precision CNC machined components for the following applications:
- Construction engineering
- Renewable energy systems
- Marine and offshore applications
- Industrial equipment manufacturing
- Automotive systems
- Chemical and processing industries
In addition to the above industries, our custom fastening solutions are widely used in OEM projects requiring drawing-based manufacturing, non-standard fasteners, and CNC precision components tailored to specific engineering requirements.
Available Finishing Services
- Cleaning & Polishing--Get the final product you need with enhanced appearance and protection from corrosion.
- CNC Machining--Computer-aided software assists with milling, turning, stamping and forming.
- Grinding--Get the end-configuration specific to your design and application needs.
- Hot Forging--Pressing, hammering, or other forming process using heat.
