Precision Pins Manufacturer & Fastener Supplier in China
Anhui Pins Metal Products Co., Ltd. is a professional industrial pins and fasteners manufacturer in China, supplying Dowel Pins, Slotted Spring Pins, Tooth Spring Pins, Coiled Spring Pins, Conical Washers, Flat Washers, External Circlips, Internal Circlips, E-Clips, Compression Limiters and Trim Clips. We provide standard and custom components with controlled dimensions, materials and surface treatments for OEM manufacturers, distributors, wholesalers and industrial buyers worldwide.
Professional Pins & Fasteners Manufacturer
Explore our full range of Dowel Pins, Slotted Spring Pins, Tooth Spring Pins, Coiled Spring Pins, Washers, Retaining Rings, Compression Limiters and Trim Clips, manufactured for OEMs, distributors and industrial buyers worldwide.
Explore our full range of Dowel Pins, Slotted Spring Pins, Tooth Spring Pins, Coiled Spring Pins, Washers, Retaining Rings, Compression Limiters and Trim Clips, manufactured for OEMs, distributors and industrial buyers worldwide.
Pins
Precision pins manufacturer supplying dowel pins and spring pins for positioning, fastening and retention.
Industrial Pins We Manufacture
Dowel Pin
Slotted Spring Pins
Tooth Spring Pins
Coiled Spring Pins
Washer Product Range
As an industrial washers manufacturer, we supply flat washers and conical washers for load distribution, surface protection and reliable fastening in mechanical assemblies. Custom dimensions and materials are available for OEM applications.
Washers
Conical Washers
Flat Washers
Retaining Rings
Retaining rings manufacturer supplying external circlips, internal circlips and E-clips for secure component retention.
Compression Limiters
Compression Limiters manufacturer supplying metal threaded components for plastic assemblies, designed to provide durable screw threads, prevent plastic deformation and maintain stable fastening during assembly and repeated use.
Trim Clips
As a trim clips supplier, we provide reliable fastening components for automotive interiors, panels and trim assemblies, with custom designs available for OEM applications.
Custom Pin Solutions & Quality Assurance
- Custom Manufacturing
- Manufacturing Capabilities
- Quality Control
-
Customer Drawings & Specifications
-
Custom Dimensions & Tolerances
-
Material & Hardness Selection
-
Surface Treatment Options
-
OEM / ODM Production
-
Raw Material Preparation — Material selection and cutting.
-
Forming & Machining — Stamping, forming and precision machining.
-
Heat Treatment — Controlled treatment for required hardness.
-
Grinding & Finishing — Precision grinding and surface finishing.
-
Surface Treatment — Plating, phosphating, black oxide and oiling.
-
Dimensional Inspection — Diameter, length, thickness and critical tolerances.
-
Hardness Testing — Verification of hardness after heat treatment.
-
Geometric Inspection — Profile, roundness and shape accuracy where required.
-
Surface Inspection — Surface finish, coating condition and appearance.
-
Final Inspection — Product verification before packaging and shipment.
-
![Pins]()
PinsPin Types, Standards & Specifications Compare Pin Types by Function, Material, Dimensions and Applicable Standards Pin Type Common Standards
-
![Washers]()
WashersMaterials & Surface Treatment Options Material selection and surface finishing directly affect load capacity, corrosion resistance, durability, and long-te
-
![Retaining Rings]()
Retaining RingsKey Features Of Retaining Rings Reliable retention performance, efficient assembly, and versatile ring configurations for industrial fastening applications.
-
![Compression Limiters]()
Compression LimitersCompression Limiter Features & Benefits 01 Prevent Plastic Creep Maintains structural integrity under continuous clamping loads and helps minimize lon
-
![Trim Clips]()
Trim ClipsOEM Trim Clips Manufacturer For Automotive & Industrial Assemblies Engineered fastening solutions designed for secure panel retention, vibration resista
