**Wenzhou Dingyi Auto & Motorcycle Parts Co., Ltd. **

*Precision Engineered Snap Rings & Washers Trusted by Global Leaders Since 1999*

**Location**: Ruian City, Wenzhou, Zhejiang, China - A hub of automotive manufacturing excellence.

**Core Expertise**:

As a pioneer in the automotive fastener industry, we specialize in **high-precision snap rings (retaining rings), shim washers, and custom-designed stamping parts** for critical applications in engines, transmissions, braking systems, and motorcycle assemblies.

**Why Choose Us? **

**25+ Years of Vertical Integration**: From raw material selection (high-grade stainless steel, carbon steel) to precision stamping, heat treatment, and surface finishing (zinc plating, phosphating), we control every step in-house.

**Fortune 500 Approved**: Long-term supplier to global automotive OEMs and Tier 1 manufacturers, meeting IATF 16949, ISO 9001, and PPAP standards.

**Innovation-Driven**: R&D team collaborates with clients to solve complex fastening challenges, offering patented anti-loosening designs and corrosion-resistant coatings.

**Scalable Solutions**: 12 automated production lines with monthly capacity of 50 million pieces, supporting both high-volume orders and low-MOQ prototyping.

**Product Highlights**:

- **Snap Rings**: Internal/External Circlips, E-rings, Seeger rings Tolerance: ± 0.02mm

- **Washers**: Flat washers, spring washers, wave washers Materials: SUS304, 316L, 65Mn

- **Customization**: CAD/CAM support, 3D sample validation, and packaging per client specifications.

**Global Footprint**:

Our components are integral to vehicles and machinery across 30+ countries, serving industries from e-mobility to agricultural equipment.

**Let's Elevate Your Supply Chain! **

Free samples & DFM analysis within 48 hours

Contact: D-E-CHN@outlook