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Custom Machined Automotive Components
Custom Machined Automotive Components

Custom Machined Automotive Components

You can buy custom machined automotive components from China with confidence from FRIMA, ensuring quality and on-time delivery. FRIMA is a precision CNC machining factory located in Ningbo, China, with dual ISO 9001 and IATF 16949 certifications. We provide complete in-house milling, turning, and assembly machining capabilities for the aerospace, medical, and automotive industries.

    Stop Settling for "Good Enough" Automotive Parts. When a single defective component can shut down your production line, trigger a costly recall, or derail your EV launch timeline, you need more than just a machining vendor – you need a partner who understands the stakes.

    Our custom machined automotive components are engineered to exceed the strictest global automotive standards. We deliver precision parts that perform flawlessly in the most demanding conditions, on time, every time.

    ✅ 99.7% On-Time Delivery Rate
    ✅ <5 PPM Defect Rate (Industry Average: 50-100 PPM)
    ✅ Full PPAP/APQP/FMEA Compliance
    ✅ No Minimum Order Quantity

    FRIMA can Solve for You

    You've been there before:
    ● Your supplier delivers parts that don't fit, forcing emergency rework
    ● Promised 4-week lead times stretch to 12 weeks, delaying your launch
    ● They claim "IATF certification" but can't provide proper PPAP documentation
    ● Your EV battery tray design is too complex for their outdated equipment
    ● You're paying premium prices for inconsistent quality
    We founded this company to solve these problems. We also own our own factory and warehouse. As experts in the custom machined automotive components processing industry, we not only process parts but are committed to eliminating risks in your supply chain.

    Automotive Industry-Specific Quality System

    FRIMA not only holds IATF 16949:2016 certification but also integrates it into its daily operations. Our entire operational process is built around the needs of the automotive industry.
    ● All new projects utilize a complete APQP process.
    ● Comprehensive FMEA analysis to identify and mitigate risks.
    ● Statistical Process Control (SPC) ensures consistency in mass production.
    ● Complete PPAP documentation (Levels 1-5) is provided according to OEM requirements.
    ● All parts and materials are traceable for 10 years.

    Materials We Specialize In for Automotive Applications

    Material Category

    Common Grades

    Ideal For

    High-Strength Aluminum

    6061-T6, 7075-T6, A356-T6

    EV battery trays, motor housings, suspension components

    Stainless Steel

    304, 316L, 17-4 PH

    Fuel systems, braking components, sensor housings

    Alloy Steel

    4140, 4340, 8620

    Gears, shafts, crankshafts, structural parts

    Exotic Alloys

    Titanium, Inconel 718

    High-performance engines, exhaust systems

    Engineering Plastics

    PEEK, Nylon 66, POM

    Bushings, seals, electrical insulators

    Copper Alloys

    C11000, C36000

    Busbars, connectors, thermal management components

    Aluminum CNC Milling Parts (2)

    aluminum material

    FRIMA Operational Process

    1. Design Review and DFM Analysis – Our engineers will review your drawings and provide improvement suggestions to reduce costs, improve quality, and shorten delivery cycles.
    2. Prototype Development – ​​Rapidly produce functional prototypes for testing and validation.
    3. Process Validation – A complete APQP process, including FMEA, control planning, and first article inspection.
    4. Mass Production Launch – Scalable production with SPC monitoring to ensure consistent quality.
    5. Ongoing Support – Dedicated project manager, on-time delivery, and continuous improvement.

    Aluminum CNC Milling Parts (3)

    Precision-CNC-Machined-Aluminum-Components

    Packaging And Shipping

    1. FRIMA uses high-strength cardboard boxes and professional cushioning packaging materials to ensure adequate your custom machined automotive components protection.
    2. We provide full logistics monitoring, cooperating with reputable logistics channels to achieve real-time tracking and ensure safe and timely delivery of goods.
    3. FRIMA promises efficient shipping; orders will be shipped within 24 hours of confirmation.
    4. We have a comprehensive after-sales service system, offering compensation for any damage, ensuring a worry-free shopping experience.

    FRIMA Customer Testimonials

    "Our previous supplier delivered brake calipers with a 30% defect rate, causing us downtime and $2.3 million in losses. We then switched to FRIMA. For the past three years, their defect rate has consistently been below 3 PPM. They're more than just a supplier; they're an extension of our engineering team."
    — Senior Purchasing Manager, Automotive Supplier

    "As an electric vehicle startup, we needed a partner who could act quickly and handle complex five-axis parts. FRIMA delivered our first batch of motor housing prototypes in just four days and helped us optimize the mass production design, ultimately reducing costs by 28%."
    — Engineering Director, Electric Vehicle Manufacturer

    "Their understanding of IATF 16949 and PPAP requirements is unparalleled. They proactively provided all the necessary documentation to our OEM customers without us having to chase them. It was truly refreshing."
    — Quality Manager, Automotive Component Manufacturer
    Aluminum CNC Milling Parts (4)

    aluminum application

    FAQ

    1. Q: Do you provide first article of inspection (FAI) service?
    A: FAI is the basic request for our company, we could also provide COC, Material certificate,Plating certificate.

    2. Q: What is your MOQ?Do you accept small quantity jobs?
    A: Yes we can make small quantities as per your request.

    3. Q: What is your payment term?
    A: After you approve the samples,we prefer to TT30% before production and TT70% before shipping, but this could be negotitated. For the long term customer ,we could apply cash on delivery.

    4. Q. How do you control the quality?
    A: (1)Material inspection--Check the material surface and roughly dimension.
    (2)Production first inspection--To ensure the critical dimension in mass production.
    (3)Sampling inspection--Check the quality before sending to the warehouse.
    (4)Pre-shipment inspection--100% inspected by QC assistants before shipment.

    5. Q: Can we know the production process without visiting the factory?
    A: We will offer a detailed production schedule and send weekly reports with digital pictures and videos which show the machining progress.
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