Industrial CNC Precision Machining with ±0.001 mm Accuracy
Caiyi manufactures automotive pin shafts using advanced multi-axis CNC machining technology.
Our production lines support high-volume manufacturing with consistent machining quality.
Moreover, every shaft meets strict dimensional requirements for reliable assembly.
We control concentricity to reduce friction during mechanical operation.
As a result, each component delivers smooth motion in actuators and gear transmission systems.
ISO-Certified Quality Control and Premium Materials
We inspect every automotive pin shaft throughout the production process.
Therefore, each batch meets strict quality and dimensional standards.
Precision Machining Accuracy
We maintain dimensional tolerances of up to ±0.001 mm.
This accuracy supports reliable press-fit and slip-fit assemblies.
Additionally, precise machining improves installation efficiency and product consistency.
High-Quality Metal Materials
We machine premium steel, stainless steel, brass, copper, and alloy materials.
Furthermore, we provide customized heat treatment and surface finishing services.
These options improve wear resistance, corrosion resistance, and service life.
Comprehensive Quality Inspection
Our team performs automated and optical inspections on every production batch.
We verify dimensions, surface finish, concentricity, and material consistency.
As a result, customers receive stable quality across every shipment.
Flexible OEM and ODM Precision Machining Services
Caiyi provides custom machining solutions for automotive manufacturers and industrial equipment suppliers.
Custom Sizes and Surface Treatments
We manufacture parts according to your drawings or 3D CAD files.
Additionally, we customize shaft diameters, lengths, chamfers, grooves, and coatings.
This flexibility supports unique application requirements across multiple industries.
Reliable Manufacturing and Global Supply
Our ISO-certified factory maintains stable production schedules and consistent quality.
Moreover, we provide complete material traceability for every production order.
We also support efficient international shipping and global OEM supply programs.
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