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JIESHENG HARDWARE brings more than 20 years of expertise in delivering Precision CNC Machined Auto Parts that meet the exacting standards of global automotive manufacturers. We provide fully customized CNC solutions for a wide range of automotive components — from high-stress engine parts to lightweight structural elements — ensuring unmatched accuracy, strength, and performance.
What Are Precision CNC Machined Auto Parts?
Precision CNC Machined Auto Parts refer to automotive components manufactured using Computer Numerical Control (CNC) processes to achieve precise geometries, tight tolerances, and consistent quality. These parts are essential in modern vehicles, where reliability and fitment are critical to safety and performance.
At JIESHENG HARDWARE, our CNC Capabilities cover:
Complex 3D machining for intricate automotive components
High-volume production with minimal dimensional variance
Prototyping and rapid tooling for new automotive designs
Our Processing Capabilities
We utilize a full suite of advanced CNC equipment to meet the diverse needs of the automotive industry:
| Process | Capability |
|---|---|
| CNC Turning | Max Ø300 mm / Length up to 600 mm / Precision to ±0.005 mm |
| CNC Milling | 3-axis / 4-axis / 5-axis machining / Work envelope up to 1000×600×500 mm |
| Multi-task Machining | Combined turning-milling for complex parts in one setup |
| Wire EDM & Sinker EDM | High-accuracy machining for fine details and deep cavities |
| Precision Grinding | Flat, cylindrical, and contour grinding to Ra 0.4 |
Material Options for Precision CNC Auto Parts
We support a wide range of automotive-grade materials:
| Material | Advantages | Typical Application |
|---|---|---|
| Aluminum (6061, 6082, 7075) | Lightweight, corrosion-resistant | Transmission housings, brackets |
| Stainless Steel (304, 316, 420) | Strength + corrosion resistance | Exhaust, clamps, connectors |
| Alloy Steel (4140, 4340) | High strength, fatigue resistance | Drive shafts, gear components |
| Titanium (Ti6Al4V) | High strength-to-weight, heat resistance | Performance engine components |
| Brass / Copper Alloy | Electrical conductivity | Automotive terminals, sensor parts |
| Engineering Plastics (POM, PA, PTFE) | Low friction, chemical resistance | Bushings, seals, custom fixtures |
Surface Treatments Offered
To enhance durability and performance of Precision CNC Machined Auto Parts, we provide:
Anodizing (clear, black, color for aluminum)
Hard anodizing
Black oxide (steel parts)
PVD coating (TiN, TiCN, CrN)
Zinc / nickel / chrome plating
Nitriding and heat treatment
Polishing and deburring
Why Automotive Customers Choose JIESHENG HARDWARE
Extensive experience serving automotive Industries worldwide
Ability to handle complex, high-precision parts with tight tolerances
Flexible order volumes — from single prototype to mass production
Fast lead times without compromising on quality
Strict adherence to ISO-based quality control standards
Full documentation including material certificates, inspection reports, and PPAP if required
Real-World Automotive Applications
Our Precision CNC Machined Auto Parts are used in:
Engine system components (covers, housings, valve parts)
Chassis and suspension precision fittings
Brake and transmission system components
EV and hybrid battery pack structural parts
Custom automotive fasteners, brackets, and mounts
Electrical system and sensor housings
Frequently Asked Questions (FAQ)
Q1: What file formats do you accept for production?
A1: We work with STEP, IGES, DWG, DXF, STL, and other standard CAD files. We can also assist in refining designs for manufacturability.
Q2: Can you provide prototype machining for new automotive designs?
A2: Absolutely. We support both rapid prototyping and small-batch production to help customers validate their designs before mass production.
Q3: How do you ensure part quality?
A3: We implement a rigorous QC process, including in-process checks, 100% final inspection, CMM reports, and surface finish verification.
Q4: What is your typical production lead time?
A4: Lead time varies by complexity and quantity, typically 7-15 working days. We offer expedited service upon request.
Q5: Do you offer assembly or sub-assembly services?
A5: Yes, we can provide component assembly, thread locking, and integration of CNC parts into small modules or sub-assemblies.
About JIESHENG HARDWARE
JIESHENG HARDWARE is a professional manufacturer specializing in high-precision hardware spare parts for over 20 years. We provide comprehensive CNC Machining services, from design support to precision manufacturing, for customers in automotive, electronics, medical, and industrial sectors. Our mission is to deliver high-quality precision parts with exceptional service.
