Precision Pins & Retention Components

Precision pins supplier.

Anhui Pins Metal Products Co., Ltd. manufactures Dowel Pins, Slotted Pins, Spring Pins, Coiled Spring Pins, Washers, Retaining Rings, Compression Limiters, and Trim Clips for automotive assemblies, shaft retention systems, and mechanical fastening structures.

The factory integrates stamping, centerless grinding, heat treatment, and phosphating processes to produce interference-fit and load-retention components. Production is managed through ERP-controlled manufacturing and inspection procedures under IATF 16949 and ISO 14001 Environmental Management System standards

Supporting Diverse Industrial Applications

We supply precision pins and retention components to OEM manufacturers and industrial assembly systems for positioning, fastening, and load retention in mechanical structures.

Automotive & Transportation

Industrial Machinery & Equipment

Aerospace & Defense

Medical & Electronic Equipment

General Machinery & Everyday Products

OEM/ODM Service

We have always been committed to designing products and solutions that improve people's quality of life.

OEM Service

We manufacture fastening components strictly to engineering drawings with controlled machining, heat treatment, and surface finishing to ensure stable fit, performance, and batch consistency in OEM production.

R
Engineering
Precision
Finishing
Stability

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ODM Service

We provide engineering support to optimize fastening design, material selection, and surface treatment based on load, vibration, and assembly requirements.

Communicating
Confirming
Customizing

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Our Application Engineering Process

We work as an extension of your engineering team, applying a structured 5-step process to ensure the right fastening solution is defined, validated, and successfully implemented from concept to production.

01

Define Requirements
02

Technical Review
03

Solution Design
04

Sample Validation
05

Delivery Support

STEP 01 / 05

Define Requirements

We begin by understanding your product application, working conditions, performance targets, assembly method, packaging needs and purchasing requirements. This helps us define a clear technical and commercial direction before recommending a solution.

Application scenario and working environment
Product performance and assembly requirements
Cost, packaging and delivery expectations

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STEP 02 / 05

Technical Review

Our team reviews your product drawings, specifications and application requirements to evaluate the best possible product configuration and technical feasibility.

Drawing and parameter review
Material, structure and performance evaluation
Feasibility analysis for customized requirements

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STEP 03 / 05

Solution Design

Based on the project requirements, we provide a practical solution that supports product performance, production efficiency and long-term reliability.

Product selection or customized solution
Function and structure optimization
Balanced solution for quality, cost and delivery

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STEP 04 / 05

Sample Validation

Samples can be prepared for testing and confirmation before mass production, helping customers reduce procurement risk and verify product suitability.

Sample preparation and testing support
Performance and assembly confirmation
Adjustment before bulk order production

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STEP 05 / 05

Delivery Support

After confirmation, we support order production, quality inspection, packaging, delivery and after-sales communication to ensure stable project implementation.

Production and quality control follow-up
Packaging, labeling and delivery coordination
Continuous technical and after-sales support

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Trusted by Industry Leaders Worldwide

Our manufacturing capabilities support long-term partnerships with global clients who require consistency, precision, and scalable production.

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