Phone: +086-0755-81475061  | E-Mail: kaiao@cn-rp.com

Custom CNC Machining by Kaiao-RPRT

Discover precision with Kaiao-RPRT's expert CNC Machining. Get an instant online quote for your parts, crafted with:
  Unmatched Accuracy: Tolerances down to 0.001 inches.
  Material Freedom: Over 100 options to choose from.
  Finishing Variety: 20+ surface finishes for the perfect look.
  Certified Quality: ISO 9001:2015, ISO 13485, ISO14001:2015, and IATF 16949:2016 standards.

Precision CNC Machining Services for Your Custom Needs

At your company, we turn your ideas into reality with top-notch CNC Machining services. Whether you’re after rapid prototypes or low-volume production parts, our skilled team and advanced equipment are ready to deliver high-quality results every time. We serve industries like consumer electronics, automotive, medical equipment, and aerospace, bringing precision and reliability to every project. With a massive 3000-square-meter production facility and a global client base—from the United States to Japan—we’re here to meet your machining needs, no matter the scale or complexity.

Custom CNC Milling Services for Any Challenge

Our CNC Milling services are all about flexibility and precision. Equipped with a range of milling machines—including 3-axis, 4-axis, and cutting-edge 5-axis options—we can tackle everything from straightforward parts to intricate designs with tight tolerances. Working with both plastic and metal, we’re a go-to choice for industries needing mold making or complex geometries, like automotive or aerospace. Whatever your project demands, we’ll craft parts that fit your specs perfectly and deliver them fast.

Precision CNC Turning Services for Every Project

Our CNC Turning services deliver unmatched accuracy and adaptability. Utilizing state-of-the-art lathes, including multi-axis CNC machines and Swiss-style turning centers, we handle everything from basic cylindrical components to sophisticated parts with stringent tolerances. We work with a variety of materials, including metals and plastics, making us a trusted partner for industries like automotive, aerospace, and medical device manufacturing that require high-precision rotational parts. No matter the complexity of your design, we produce components to your exact specifications with rapid turnaround.

CNC Machining Materials

Metal

Plastics

CNC Machining Surface Finishes at Kaiao-RPRT

Looking for the perfect finish? At Kaiao-RPRT, choose from 20+ options to boost both function and style for your CNC parts, crafted with precision from our China facility for clients worldwide.

As Machined Finish

The as machined finish (Ra1.6) comes straight from our CNC machines at Kaiao-RPRT, offering a cost-effective solution with visible tool marks for clients worldwide who value efficiency and precision.

Anodizing

Anodizing at Kaiao-RPRT boosts corrosion and wear resistance for aluminum parts, with the added perk of color dyeing, perfect for clients worldwide seeking durability and style.

Polishing

Polishing creates a high-gloss, mirror-like finish that minimizes surface roughness and elevates the visual appeal of metals like aluminum, steel, and brass. It’s perfect for applications where a sleek, professional look is key, such as in consumer electronics or automotive components.

Sand Blasting

Sand blasting uses pressurized sand or other media to clean and texture the surface, delivering a uniform, matte finish. This process is ideal for removing imperfections and creating a consistent look on metals like aluminum or steel, making it perfect for applications where a non-reflective, textured surface is desired, such as in industrial equipment or automotive parts.

Tumbling

Tumbling smooths and polishes small parts through friction and abrasion in a rotating barrel, resulting in a consistent yet slightly textured finish. This process is perfect for achieving a uniform look on smaller components, making it ideal for applications like consumer electronics or medical devices where a smooth, polished surface with a subtle texture is desired.

Electropolish

Electropolish is a chemical process that smooths and brightens metal surfaces while enhancing corrosion resistance. This finish is perfect for improving both the durability and appearance of parts, making it ideal for applications in medical equipment, aerospace, or any industry requiring a polished, corrosion-resistant surface.

Alodine

Alodine coating provides excellent corrosion protection and improves paint adhesion, primarily used on aluminum surfaces. This finish is ideal for extending the lifespan of parts exposed to harsh environments, making it a great choice for applications in aerospace, automotive, and outdoor equipment.

Heat Treatment

Heat treatment alters the mechanical properties of metal, enhancing its hardness, strength, or ductility as needed. This process, conducted in a vacuum environment, ensures consistent results and is ideal for improving the performance of parts used in demanding applications like aerospace, automotive, and industrial equipment.

Brushed Finish

A brushed finish creates a unidirectional satin texture, minimizing the visibility of marks and scratches on the surface. This finish is perfect for achieving a sleek, professional look on metals like aluminum or steel, making it ideal for applications in consumer electronics, automotive components, or decorative parts where durability and aesthetics matter.

Powder Coating

Powder coating applies a thick, wear-resistant layer that offers excellent color and texture options, making it suitable for a variety of surfaces. This finish provides long-lasting protection and a vibrant look, ideal for parts in automotive, industrial equipment, or outdoor applications where durability and visual appeal are essential.

Electroplating

Electroplating bonds a thin layer of metal to a part, enhancing its wear resistance, corrosion resistance and surface conductivity. This shiny nickel coating is the perfect addition to a part's durability and appearance, making it ideal for applications such as electronics, automotive and industrial components where performance and a polished appearance are important.

Black Oxidize

Black oxidize is a conversion coating for ferrous metals that enhances corrosion resistance and reduces light reflection. This finish is ideal for steel components, providing a sleek, non-reflective black surface that’s perfect for applications in industrial equipment, automotive parts, or any project where durability and a low-glare finish are needed.

CNC Machining for Various Industries

We deliver precision CNC machining solutions tailored to a wide range of industries, ensuring every part meets your specific requirements.From aerospace to automotive, Kaiao-RPRT’s CNC machining services cater to the exacting demands of diverse sectors. We proudly serve industries like medical equipment, consumer electronics, and industrial equipment, working with independent designers, startups, and large-scale companies alike. With over 100 experts and a global presence in 20+ countries, we’ve supported thousands of clients worldwide, delivering high-quality parts that drive innovation.
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Aerospace
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Medical Devices
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Automotive
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Robotics
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Automation
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Consumer Products

Why Choose Kaiao-RPRT for CNC Machining?

At Kaiao-RPRT, we’re committed to delivering CNC machining services that exceed your expectations. Here’s why clients across 20+ countries trust us to bring their projects to life.

High-Quality Parts You Can Rely On

We take quality seriously. Our ISO-certified CNC machining process ensures every part is crafted with precision and consistency, meeting tolerances as tight as ±0.01mm. With advanced quality control at every stage and a team of over 100 experts, we guarantee parts that fit perfectly and perform flawlessly—whether for aerospace, medical, or automotive applications.

Consistent High Quality

Count on our unwavering quality management system to ensure constant excellence. Thoroughly inspecting each precision machined component upon completion, you can rest assured that your parts will be meticulously crafted to meet specifications, free from imperfections.

Expert Engineering Support Every Step of the Way

We’re more than just a manufacturer—we’re your partner. Our dedicated team at Kaiao-RPRT provides hands-on engineering support to optimize your designs for efficiency and quality. From material selection to final production, we’re here to answer questions, offer insights, and ensure your project runs smoothly, no matter where you are in the world.

Fast Lead Times to Keep You on

Need parts quickly? We’ve got you covered. Operating from our 3000 square meter facility in China, we use cutting-edge equipment to deliver CNC machined parts in as little as 5 business days. Our streamlined processes ensure your project stays on schedule, no matter how tight the deadline.

From Swift Prototyping to Full-Scale Production

CNC machining is the optimal manufacturing process, whether your requirement is a handful of parts or an extensive production run of over 10,000 units. 
Here, we present the tailored CNC solutions accessible through Kaiao-RPRT.

Prototype Machining

At 3ERP, experience swift turnaround for your CNC prototypes within a matter of days. Our remarkably short lead times empower you to expedite design verification.
 
  Instant quotations
  Real-time DFM feedback
  Superior quality
  Prompt delivery

Low-Volume Machining

CNC machining offers a cost-effective avenue to craft specific part types in limited quantities or moderate batch sizes—say, from 100 to 1000 pieces.
 
  Economical pricing
  Production-level caliber
  Rapid delivery
  Market testing feasibility before full-scale investment

Production Machining

Leveraging CNC machinery and robotics emerges as the ultimate choice for high-volume production machining, eliminating the need for extensive manual labour and significantly reducing costs.
 
  Proficient engineers specializing in DFM optimization
  A dedicated project manager aligned with your time zone
  First Article Inspection (FAI)
  Assured and unwavering quality

FAQ on CNC Machining with Kaiao-RPRT

At Kaiao-RPRT, we’re dedicated to providing top-notch CNC machining services to bring your ideas to life. Here are answers to some common questions about how we can support your project.
  • Q How long does it take to receive a part from Kaiao-RPRT?

    A Lead times at Kaiao-RPRT depend on your part’s complexity, material, and our production schedule. For simpler parts, we can deliver in as little as 5 business days, with some projects ready in just 3 days after setup. For an accurate timeline tailored to your project, reach out to us at kaiao@cn-rp.com, and we’ll provide a detailed quote with a precise delivery estimate.
  • Q Is there a minimum order quantity (MOQ) for CNC machining at Kaiao-RPRT?

    A No, we don’t enforce a minimum order quantity at Kaiao-RPRT. Whether you need a single prototype or thousands of parts, we’re ready to deliver. Our flexible approach ensures that clients of all sizes—from independent designers to large corporations—receive the same high-quality service and precision for their CNC machining projects.
  • Q How much does Kaiao-RPRT’s CNC machining service cost?

    A The cost of our CNC machining services at Kaiao-RPRT depends on your project’s specifics, such as design complexity, tolerances, and material choice. For example, a single part with a $2 material and machining cost, plus a $200 setup fee, totals $202. But for 200 parts, the per-unit cost drops to just $3! Contact us at kaiao@cn-rp.com for a detailed quote tailored to your needs.
  • Q What is Kaiao-RPRT’s CNC machining capacity?

    A At Kaiao-RPRT, we’re equipped to handle projects of all sizes. Our 3000 square meter facility in China houses advanced CNC machines, enabling us to produce thousands of prototypes and parts monthly, from simple to intricate designs. With a team of over 100 skilled experts, we ensure precision and quality, serving clients in 20+ countries with efficiency and excellence.
  • Q What is a machining center, and how does Kaiao-RPRT use it?

    A A machining center is an advanced CNC machine that handles multiple tasks like milling, drilling, and tapping in one setup, boosting efficiency and accuracy. At Kaiao-RPRT, our machining centers feature tool magazines for automatic tool changes, allowing seamless transitions between operations. This makes them perfect for producing complex parts with precision, especially for industries like automotive and aerospace.
  • Q What tolerances can Kaiao-RPRT’s CNC machining achieve?

    A Our CNC machining at Kaiao-RPRT achieves high precision for even the most complex parts. We typically maintain standard tolerances of ±0.01 mm, meeting industry requirements for sectors like aerospace and medical. For specialized needs, our advanced machines can reach tolerances as tight as ±0.005 mm, depending on material, geometry, and machine type, ensuring your parts fit and perform perfectly.
  • Q What are G and M codes in CNC machines at Kaiao-RPRT?

    A G and M codes are the programming languages that control our CNC machines at Kaiao-RPRT. G-codes direct the machine’s movements, like linear cuts or circular paths, ensuring precise tool motion. M-codes manage functions like starting/stopping the spindle or controlling coolant. Together, they allow our machines to produce parts with accuracy and efficiency, tailored to your specifications.
  • Q Who is the father of CNC machining?

    A John T. Parsons is widely recognized as the father of CNC machining. In the late 1940s, he pioneered numerical control techniques for manufacturing helicopter rotor blades, working with engineer Frank L. Stulen. Their use of punched tape to guide machine tools laid the foundation for CNC technology, revolutionizing manufacturing with improved precision and efficiency by the 1950s.
  • Q What’s the difference between 3D printing and CNC machining at Kaiao-RPRT?

    A
    Process: 3D printing builds parts layer by layer (additive), while our CNC machining cuts material from a solid block (subtractive).
    Material Use: 3D printing uses only what’s needed, reducing waste, whereas CNC machining may produce more scrap.
    Speed and Cost: 3D printing is often faster for small, complex parts, but our CNC machining excels in larger volumes with high precision.
    Finish and Precision: Kaiao-RPRT’s CNC machining offers superior surface finishes and tighter tolerances, ideal for industries like aerospace and medical.
  • Q What are the advantages and disadvantages of CNC machining with Kaiao-RPRT?

    A
    Advantages of CNC Machining
     
    Precision and Consistency: Our CNC machining delivers tolerances as tight as ±0.01 mm, perfect for complex designs.
    Minimal Errors: Automation reduces human error, ensuring high-quality parts every time.
    Speedy Production: With our 3000 square meter facility and advanced equipment, we offer fast turnarounds, often within 5 business days.
    Material Versatility: We work with metals, plastics, and composites, including aluminum, steel, and brass.
    Design Flexibility: Our team supports quick design updates, making prototyping and customization seamless.
    Cost-Effective for Scale: Larger production runs benefit from lower per-unit costs, ideal for mass production.
     
    Disadvantages of CNC Machining
     
    Initial Investment: CNC equipment requires a significant upfront cost, which may impact smaller projects.
    Skilled Operators Needed: Our processes require trained experts, which can add to operational costs.
    Small Runs Less Economical: Setup time makes small batches less cost-effective compared to larger runs.
    Material Waste: Subtractive machining can generate more waste than additive methods.
    Hard Material Challenges: Very hard materials may increase tool wear, potentially affecting costs.
  • Q What are the applications of CNC machining at Kaiao-RPRT?

    A CNC machining at Kaiao-RPRT serves a wide range of industries with precision and reliability. We craft intricate engine components and structural parts for automotive and aerospace clients, produce high-accuracy devices and implants for the medical sector, and create housings and connectors for consumer electronics. Our services also support industrial equipment with durable machine components, as well as general custom part production and prototyping, ensuring consistent quality for every project.
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