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English
The automotive industry demands high-precision, durable, and safety-critical components. From engines and
transmissions to suspension, braking, and exhaust systems, every part must meet strict standards for
reliability and performance.
With over a decade of certified experience, REKO provides high-quality
parts that meet exact specifications—from large production runs to specialized custom projects.
CNC machining plays a vital role in automotive manufacturing by delivering:
Guaranteeing tight tolerances for safety-critical components like engines, drivetrains, and suspensions.
Allowing manufacturers to work with aluminum, steel, titanium, and engineering plastics for diverse applications.
Accelerating new model development with fast prototyping and seamless transition to mass production.
Delivering surface treatments and finishing that improve wear resistance, longevity, and visual appeal.
Making it possible to create complex geometries and lightweight structures that boost performance and efficiency.
Ensuring consistency and compliance with ISO and IATF requirements through rigorous inspection and testing.
| Material | Specific Grade | Surface Finish Options | Typical Automotive Applications |
| Aluminum Alloy | (Al 6061, Al6082,Al7075,etc) | Anodizing (clear / hard), Sandblasting, Powder Coating | Suspension arms, brackets, housings, cooling system parts |
| Stainless Steel | (SS304, SS316,etc) | Polishing, Passivation, Nickel Plating | Exhaust system components, flanges, fasteners, brackets |
| Alloy steel | (42CrMo, 20CrMnTi, ST-53,etc) | Heat treatment, Zinc Plating, Black Oxide | Gears, shafts, drivetrain housings, bearing seats |
| Engineering Plastics | (POM, PA, PEEK) | Machined finish, Polishing, Coating (optional) | Bushings, gears, interior parts, electrical connectors |
In the automotive industry, every component must meet strict requirements for strength, durability, and performance, which makes selecting the right materials and applying suitable surface finishes critical to ensuring safety, reliability, and long service life. The right combination of material and surface treatment directly impacts performance, safety, and cost efficiency—at REKO, we deliver comprehensive machining and finishing solutions tailored to the needs of both OEM manufacturers and racing teams.
Improves corrosion resistance, wear resistance, and allows decorative coloring for aluminum parts.
Typical Applications:Aluminum housings, brackets, heat exchangers, and trim components.
Enhances wear resistance, provides strong corrosion protection, and improves appearance.
Typical Applications:Engine parts, fasteners, exhaust components, and decorative trims.
Achieves a smooth surface, reduces friction, and enhances aesthetic appeal.
Typical Applications:Exhaust tips, decorative trims, interior and exterior metal parts.
Improves hardness, strength, and wear resistance for steel components.
Typical Applications:Gears, crankshafts, camshafts, connecting rods, and suspension parts.
Provides a durable, uniform protective coating with resistance to corrosion, impact, and weathering.
Typical Applications:Chassis components, brackets, wheels, and body panels.
Provides mild corrosion resistance, reduces light reflection, and enhances appearance when combined with oil or wax.
Typical Applications:Fasteners, brake system parts, tools, and interior steel components.
Automotive components such as suspension arms, gear housings, and engine brackets often require tolerances of ±0.01mm or tighter. Any deviation can affect assembly accuracy and overall vehicle performance.
Solution:
Automotive components are often made from alloy steel, stainless steel, or aluminum alloys. Hardness differences lead to rapid tool wear and unstable machining quality.
Solution:
Many automotive parts feature curved surfaces, internal cavities, and difficult-to-reach threads, which increase machining difficulty.
Solution:
Many parts require smooth surfaces for reduced friction and long-term durability, especially in engine, suspension, and drivetrain applications.
Solution:Hydraulic systems demand absolute reliability. With our ISO 9001 certified quality system and advanced CNC machining, we deliver components with micron-level precision. From hardened steel piston rods to leak-free valve housings, every part is built to withstand high pressure and ensure long-lasting performance.
ISO 9001 certified system with full-process inspection from raw material to finished product, ensuring accuracy, consistency, and safety in every automotive part.
Capable of processing aluminum, stainless steel, alloy steel, titanium, and engineering plastics to meet diverse automotive applications.
Providing both rapid prototyping and mass production based on OEM and Tier supplier requirements.
Flexible delivery with support for prototype trials, small batches, and large-scale automotive production.
Years of expertise in engine, drivetrain, suspension, and racing components with a deep understanding of industry standards.
Offering anodizing, electroplating, heat treatment, powder coating, black oxide, and polishing to improve durability, performance, and appearance.
Equipped with CNC turning, milling, 5-axis machining, grinding, and CMM inspection to guarantee tight tolerances and consistent quality.
Trusted by clients across the automotive and motorsport industries, with export experience to Europe, America, and Asia.
Client: Global drivetrain manufacturer
The steering knuckles (250mm × 200mm) were large, heavy, and made from high-cost material (1.0715) with very tight ±0.01mm tolerances. Considering transportation costs, the client felt our initial quotation was not competitive compared to local options.
1. Suggested an alternative material (Q235) with equivalent performance, verified via chemical composition comparison
2. Designed custom fixtures and switched surface treatment from blackening to electrophoresis, reducing machining time while improving corrosion resistance and finish
3. Produced a prototype sample within 5 days, demonstrating commitment and allowing quality evaluation
4. Optimized shipping: 20% by air, 80% by sea to reduce logistics cost and manage inventory
1. Client approved the material change and shipping method, reducing overall cost by 23%
2. Maintained high-precision tolerances and improved surface finish
3. Shortened production time by ~15 minutes per piece
4. The client was extremely satisfied with the prototype, increasing the annual order from 200 to 1,000 pcs, and has maintained a stable cooperation for 3 years.
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