Automotive shaft retaining rings, also known as snap rings or circlips, play a vital role in securing automotive bearing assemblies, ensuring the integrity and longevity of various mechanical systems. These retaining rings are designed to fit into grooves on a shaft or inside a housing, effectively ...

Meet a few members of our dedicated team, ready to help you:Coco Chen, Director of Business Development: coco.chen@zjzrap.comFreddie Xiao, Account Manager: freddie.xiao@zjzrap.comBrian Xu, Technical Sales Assistant: brian.xu@zjzrap.comExplore our capabilities and comprehensive product range: htt...

Established in 1986, Zhejiang Zhongrui Auto Parts Co., Ltd. brings over 38 years of deep industry experience to the automotive market. Originating in Tangxia, Ruian – renowned as the "Auto Parts Capital of China" – we have grown into a trusted and significant partner for automotive brands worldwide,...

Selecting the right material for automotive screw washers plays a significant role in ensuring the durability, reliability, and performance of vehicle components. Washers serve an essential purpose in securing fasteners, preventing loosening under stress, and distributing the load evenly across surf...

The fifth-wheel system plays a crucial role in connecting the tractor and the trailer, which is essential for safe and efficient transportation. Correctly selecting the appropriate fasteners is vital for the integrity and service life of this connection, directly affecting safety and operational rel...

The automotive chassis is the vehicle's foundation, supporting the entire body and bearing various loads from the engine, suspension, and wheels. The reliability and safety of the chassis are paramount, and fasteners play a crucial role in ensuring the reliable connection of its components. Compared...

What are Planetary Carrier Assembly Bolts?Planetary Carrier Assembly Bolts are essential fasteners that secure the planetary gear carrier, a critical component within automatic transmissions. The design and selection of these bolts directly impact the transmission's performance and reliability. Comp...

Ball studs are critical components in vehicle suspension systems, used to connect control arms, links, and other parts, enabling vehicle steering and stability. Understanding the characteristics and selection guide of ball studs helps you improve vehicle performance and safety. What are Ball Studs...

Fastener Insights: Extend Lifespan & Reduce Maintenance For Your Vehicles with Spiralock Nuts, Introduction & Selection GuideWhat is Spiralock?Spiralock nuts are engineered with a unique 30° wedge ramp at the thread root, creating a self-locking mechanism that resists vibration-induced loose...

72% Equipment Downtime Traced to Substandard Fasteners: Are Yours Battle-Ready? The Silent Warriors in Heavy Machinery:In extreme operational environments (40°C to -25°C cyclic loads): Security Screws: Tamper-proof designs withstand 650N·m shear forces (ISO 14588 compliant)Square Head Set Screws: 12...

  Understanding Planetary Gear Washers in Automotive Applications   This week, we're diving into the world of automotive fasteners, specifically focusing on planetary gear washers. These seemingly small components play a crucial role in the smooth operation and longev...

Zhejiang Zhongrui Auto Parts Co., Ltd. (Registered Address: No. 680, Ya’ao Road, Nanhu District, Jiaxing City, Zhejiang Province, China, 314000) is proud to announce its successful certification to the IATF 16949:2016 Automotive Quality Management Standard (Certificate No.: 0510823), covering the ma...