Rui’an Ruiqin standard Parts Co., Ltd. was founded in 2003 and specializes in the researchdevelopment, production, and export of various washers and fasteners. Located in Tangxia Auto &Motorcycle Parts Industrial Zone, Rui’an, Zhejiang Province, China, the company possessesindependent mold development capabilities and modern production equipment, enabling anintegrated manufacturing process from raw materials to finished products.
Ruiqin’s main products include double-stack self-locking washers, Belleville washers, French knurlecwashers, internal and external serrated washers, grounding washers, retaining rings, and otherrelated series. These products are widely used in the automotive, electrical control, and machinerymanufacturing industries. Our products are exported to Europe, Southeast Asia, the Middle East,and many other countries and regions, earning an excellent reputation and the trust of ourcustomers.
Adhering to the philosophy of “Quality First, Customer Above All”, we have established acomprehensive production management system and can provide customized developmentaccording to customer requirements. Looking ahead, Ruigin will continue to optimize its productrange, enhance service capabilities, and strive to become a leading global supplier of washersolutions.
Excellent supplier of medium and high voltage electrical appliaances
Designed with teeth, tension, or special shapes to effectively prevent nuts and bolts from loosening under vibration, impact, or temperature changes, widely used in machinery, automotive, and electronics.
Relying on elasticity or disc-shaped design, they provide continuous preload and compensation, distributing loads and absorbing shocks or vibrations, commonly applied in precision equipment under dynamic loads.
With serrated or specially designed contact surfaces, they pierce coatings or oxides during fastening to ensure excellent conductivity and grounding, essential in electrical assemblies and anti-static applications.
Inserted into grooves on shafts or bores, they provide secure axial retention, preventing displacement or disassembly, widely used in securing bearings, gears, and other rotating components.
Securely fasten pipes, hoses, or cables using bolts, clips, or quick-lock mechanisms, ensuring system stability, commonly applied in fluid transfer, automotive, and electrical installations.
Tailored to specific working conditions or installation needs, including non-standard shapes, combined structures, or multifunctional designs, meeting special fastening requirements beyond standard parts.
Serving as key positioning and load-transferring elements in mechanical connections, pins are used for fastening, hinging, and aligning components, ensuring assembly precision while withstanding shear forces and impacts.
Established in 2003, Ruiqin Standard Parts integrates R&D, Production and Export in the Industry of Washers & Fasteners, including Self-locking Washers, Belleville Washers, Serrated Washers and Retaining Rings for Automotive and Machinery Applications.
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