
Lingyufab is a professional China-based manufacturer specializing in high-quality industrial fasteners, serving global leaders in the home appliance and industrial automation sectors, including Mitsubishi Electric. We manufacture a comprehensive range of standard fasteners strictly according to JIS, DIN, ISO, and ANSI standards, while also supporting custom non-standard requirements for specialized engineering needs. Our core production focuses on precision bolts, screws, and nuts from M3 to M12, ensuring exceptional thread accuracy and structural integrity. As a direct factory, we leverage advanced cold heading and thread rolling technologies to ensure every component, whether a standard part or customized based on your technical drawings, delivers the reliability and performance required for high-end systems. Contact us today for a professional industrial fastener manufacturer.
As a direct manufacturer, we specialize in high-precision fasteners specifically engineered for the home appliance and industrial machinery sectors based on JIS standards. We have served over 50 global clients and strictly follow Japanese quality management systems to deliver reliable fastening solutions for demanding clients like Mitsubishi Electric. Our dedicated facility focuses on ensuring 100% thread accuracy and superior batch-to-batch consistency, allowing our fasteners to perform flawlessly in automated production environments where quality and long-term durability are paramount.
We utilize advanced multi-station cold heading and high-speed thread rolling equipment to produce a wide range of industrial fasteners. Our core manufacturing expertise focuses on Bolts from M4 to M12, Screws from M3 to M6, and Precision Nuts from M4 to M8, including hex flange bolts, socket head cap screws, machine screws, and specialized weld nuts. Every product is fabricated to precisely match your technical drawings and performance requirements for structural stability. To guarantee superior batch-to-batch consistency, we utilize high-speed optical sorting machines for 100% dimensional verification and in-house salt spray test chambers to verify the corrosion resistance of our Zinc Cr3 plus and specialized protective coatings. If you are looking for a reliable industrial fastener manufacturer for your next project, please contact us today.


We source and process materials strictly according to your engineering requirements and BOM to ensure optimal mechanical performance for every component. Our manufacturing range primarily covers high-quality Carbon Steel and Stainless Steel such as SS304 and SS316, selected for their durability and tensile strength in industrial automation and home appliance equipment. All fasteners undergo precise surface treatments, including Zinc Cr3 plus plating, which is verified by our in-house salt spray testing to meet the specific JIS corrosion resistance standards. Every batch is finalized through 100% optical sorting to ensure total compliance with the dimensional standards and strength classes required for your final assembly and high-speed automated production lines.
These are precision-engineered hardware components, including bolts, screws, and nuts, designed to create secure mechanical joints and maintain structural integrity in complex assemblies. As a trusted OEM manufacturer for global leaders like Mitsubishi Electric, we produce a specialized range of industrial fasteners from M3 to M12. We ensure every component is manufactured strictly according to JIS and international specifications based on your technical drawings, providing the critical fastening force and reliability required for high-performance home appliances and industrial automation systems.
Our industrial fasteners are characterized by 100% thread accuracy and superior batch-to-batch consistency. By utilizing high-speed optical sorting technology, we ensure every component meets tight dimensional tolerances, effectively preventing costly jams or failures in your automated installation and assembly tools. Additionally, our fasteners provide excellent corrosion resistance verified through rigorous salt spray testing, ensuring long-term durability in various environmental conditions. By combining expert material selection with precise manufacturing, our components offer the vibration resistance and tensile strength needed for demanding mechanical environments.
We follow a rigorous manufacturing flow designed for world-class reliability and total JIS compliance. The process begins with a detailed review of your technical drawings or international standards, followed by high-speed multi-station cold heading and precision thread rolling to form the component. We apply controlled heat treatment when required to reach specific strength classes, ensuring the fasteners can withstand significant mechanical loads. After durable surface treatments such as Zinc Cr3 plus plating, every batch undergoes salt spray verification and 100% optical sorting under Japanese quality management systems to guarantee that only perfect components reach your production line.
We provide a scalable manufacturing solution backed by our deep experience serving world-class appliance and industrial automation brands. By specializing in JIS standards and maintaining a direct-factory model, we offer the precision and quality baseline required by leading engineering firms at competitive prices. Our commitment to 100% thread accuracy and batch consistency, combined with our advanced optical sorting and environmental testing capabilities, makes us the reliable partner for your global industrial fastener procurement and supply chain needs.
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