We are a professional custom stainless steel fastener manufacturer in China, supplying high-quality SS bolts, threaded studs, stainless nuts, SS screws and OEM fastening components for global engineering industries.
Our products are manufactured according to customer drawings and technical specifications, supporting OEM and industrial applications with strict quality control and stable production capability.
We serve industries including construction, marine, solar energy, and industrial equipment manufacturing.

Supply Chain Simplification
WELLE’s inventory management solutions combine digital technology, supply chain expertise, and tailored logistics services to ensure the right components are available at the right place and time, while minimising waste and unnecessary stock.
Engineering
Our Engineering team is here to help Design Engineers and others involved to understand and differentiate between potential fastening solutions available to quickly progress your development.

Manufacturing
Our manufacturing capabilities across Asia and Europe, continues to evolve as we add capacity and investment to support the needs of our global customers.
Custom Stainless Steel Fasteners for Industrial Applications
We provide a full range of stainless steel fasteners and industrial fastening solutions, including standard and non-standard components designed for demanding engineering environments.
Our manufacturing capabilities cover custom fasteners, special bolts, and precision threaded studs with high corrosion resistance and long-term durability.
Stainless Steel Bolts
High strength stainless steel bolts and ss bolts for structural and industrial fastening applications.
Stainless Steel Nuts
High strength stainless steel bolts and ss bolts for structural and industrial fastening applications.
Stainless Steel Studs
Precision stainless steel threaded studs and stainless steel stud bolts manufactured for industrial equipment and flange connections.
Stainless Steel Screws
High precision stainless steel screws and stainless hardware for machinery and equipment assembly.
Custom Fasteners
Custom-engineered special bolts and custom threaded studs, CNC machining fasteners, turned and milled parts, cold-formed, hot-forged parts, or punched and bent parts produced according to your technical drawings.
Industry Applications
OEM Stainless Steel Fasteners for Industrial Applications
Our OEM fasteners are designed for industries where strength, corrosion resistance, and reliability are critical.

Marine Fasteners
High corrosion-resistant marine stainless steel fasteners used for boats, offshore equipment and shipbuilding.

Construction Fasteners
Durable construction stainless bolts and stainless fixings for structural and infrastructure projects.

Solar Mounting Fasteners
Precision solar mounting stainless bolts used in solar panel structures and renewable energy installations.

Food Industry Fasteners
Food-grade stainless steel fasteners suitable for hygienic and corrosion-sensitive environments.

Industrial Fasteners
High precision industrial stainless bolts and machinery fasteners for equipment assembly.
Quality Control & Certification Support
We operate under internationally recognized quality systems, ensuring compliance for global industrial applications.
Key systems include:
- ISO 9001 Quality Management
- IATF 16949 Automotive Standard
- CE / RoHS Compliance
- EN 10204 Material Traceability
- ASTM / ANSI Standards
Custom Stainless Steel Fasteners Engineering Support
Our engineering team supports the development and production of custom stainless steel fasteners, ensuring every component meets strict industrial requirements.
We provide full technical support including design optimization, CNC machining and material engineering, helping customers develop reliable fastening solutions.
Custom Fasteners
Manufacturing of special SS bolts and custom threaded studs based on drawings.
CNC Machining
Precision machining for complex stainless steel fastener components.
Material Engineering
Material selection including 304, 316, duplex stainless steel and special alloys.
Quality Control
Strict inspection system ensuring consistent product quality.
Engineering Resources
Engineering design centers providing:
- Technical guides
- Specifications
- CAD details
- Engineering article
- OEM capability
Trusted Custom Fasteners Manufacturer for Global Projects
We are committed to delivering reliable fastening solutions for global engineering projects.
With advanced stainless steel fastener manufacturing equipment and experienced engineers, we deliver reliable fastening solutions that meet international standards.
OEM / ODM Manufacturing
Custom fasteners produced strictly according to drawings and specifications.
Global Supply Capability
Stable production and export service to over 50 countries.
Engineering Support
Technical assistance from design to manufacturing.
Quality Assurance System
Strict inspection and process control ensuring consistency and reliability.
Global Customer & Industry Partnerships
We serve a diversified global customer base across OEM fastener manufacturers, industrial producers, engineering solution providers, and international distributors.
Our solutions include custom stainless steel fasteners, precision machined components, and industrial fastening systems supporting global supply chains in over 50 countries.
Latest news
Keep up to date with the latest fastener, industry and Company news from WELLE and our Group of companies.
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