Our Core Manufacturing Services
We provide a full range of CNC machining services to support different stages of your product development. From early-stage prototyping to low-volume production, our team ensures that each part is manufactured with precision and delivered on time.
Whether you need a single functional prototype or a batch of complex components, we help you optimize manufacturability while maintaining cost efficiency.
High-precision CNC machining services for custom metal and plastic parts.
We support complex geometries, tight tolerances, and a wide range of materials including aluminum, stainless steel, brass, and engineering plastics.
Bring your ideas to life quickly with functional prototypes, without the need for expensive tooling.
Precision manufacturing of medical device enclosures with strict quality control and high standards.
We produce custom medical housings with excellent surface finish, durability, and accuracy for demanding applications.
Custom manufacturing of beauty device housings for consumer and aesthetic applications.
We focus on high-quality appearance, smooth surface finishing, and scalable production for cost-effective large-volume orders.
Our Custom Machined Parts & Enclosure Cases
Browse our portfolio of custom CNC machined components and medical/beauty device enclosures. See if you find a design or part similar to your project — we specialize in bringing your custom specifications to life.
Industries We Serve
We provide high-precision CNC machining solutions for industries where accuracy, reliability, and compliance are critical. From medical systems to aerospace and defense, our team understands strict technical requirements and delivers consistent, production-ready components.
We manufacture precision CNC components and custom enclosures for medical devices and laboratory systems, ensuring reliability, cleanliness, and tight tolerances.
Defense & Military
Mission-ready manufacturing. We supply robust, highly reliable, and precision-machined tactical components engineered to withstand extreme field environments.
Aerospace & Defense
We produce high-tolerance CNC parts for aerospace, aviation, and defense applications, delivering robust components with consistent performance in demanding environments.
Robotics & Automation
e supply structural parts, housings and precision components for medical robots, industrial robots and automated equipment.
Materials that Zhongrongda can process
We work with a wide range of metal alloys and engineering plastics to meet the strict requirements of medical, automation, aerospace and precision equipment applications. All materials are machined to tight tolerances with consistent quality and reliable performance.
Aluminum
Description:
Lightweight, high-strength aluminum alloys with medical-grade anodizing options, widely used for large medical equipment enclosures and structural components.
Key Features:
Lightweight, high rigidity, corrosion-resistant, easy to machine
Applications:
CT/MRI machine housings, portable medical devices, equipment frames
304/316L Stainless Steel
Description:
304/316L stainless steel offers excellent corrosion resistance, biocompatibility, and sterilization compatibility, ideal for medical equipment housings and structural parts.
Key Features:
Corrosion-resistant, autoclave-safe, food/medical-grade, high strength
Typical Applications::
Surgical instruments, medical equipment frames, sterilizable housings
Brass
Description:
Brass is easy to machine and offers a smooth surface finish, making it ideal for precision parts and decorative components.
Key Features:
Excellent machinability, corrosion resistance, good appearance
Typical Applications::
Fittings, valves, decorative parts
ABS (Medical Grade)
Description:
Non-toxic, impact-resistant medical-grade ABS, ideal for device housings requiring sterilization compatibility and easy cleaning.
Key Features:
Biocompatible, impact-resistant, easy to disinfect, moldable
Typical Applications::
Medical checkup machine enclosures, diagnostic device housings
Nylon (PA)
Description:
Nylon is a durable engineering plastic with excellent wear resistance and self-lubricating properties.
Key Features:
Wear resistant, flexible, low friction
Typical Applications::
Mechanical parts, gears, bearings
PMMA (Acrylic)
Description:
PMMA provides excellent optical clarity and a smooth surface finish, making it suitable for display and aesthetic applications.
Key Features:
High transparency, good surface finish
Typical Applications::
Displays, lenses, covers
PEEK (Medical Grade)
Description:
High-performance, biocompatible thermoplastic with excellent heat and chemical resistance, used for implantable and reusable medical components.
Key Features:
Implant-grade, sterilizable (autoclave/EtO), chemical-resistant, high strength
Typical Applications::
Applications: Surgical tool components, implantable parts, high-temperature medical devices
Titanium Alloy (Ti-6Al-4V)
Description:
Biocompatible, lightweight titanium alloy with exceptional strength and corrosion resistance, ideal for high-performance medical devices.
Key Features:
Biocompatible, lightweight, corrosion-resistant, high strength-to-weight ratio
Typical Applications::
Applications: Orthopedic implants, surgical instruments, aerospace-grade medical components
PC (Medical Grade)
Description:
Transparent, impact-resistant medical-grade PC, perfect for device view windows, protective covers, and housings requiring high clarity.
Key Features:
Impact-resistant, transparent, sterilizable, biocompatible
Typical Applications:
Medical equipment view windows, protective shields, diagnostic device enclosures
We can help you select the most suitable material based on your application and cost requirements.
Surface Treatment Services
Medical-Grade Anodizing
Improves corrosion resistance, creates a durable, clean finish, and is compatible with repeated disinfection for aluminum medical parts.
Bead Blasting
Produces a uniform matte texture, removes surface imperfections, and prepares parts for subsequent coatings.
Medical-Grade Powder Coating
Adds a strong, wear-resistant, and disinfection-compatible layer with customizable colors for medical equipment enclosures.
Polishing / Electropolishing
Smooth mirror or electropolished finishes reduce bacteria adhesion, enhance corrosion resistance, and meet the strict hygiene requirements of surgical and medical-grade components.
Plating (Nickel / Chrome)
Corrosion-resistant plating provides protection and aesthetic appeal, suitable for both industrial parts and non-invasive medical equipment components.
Passivation
Enhances corrosion resistance and removes contaminants from stainless steel surfaces, meeting strict medical hygiene standards for surgical and reusable components.
Sandblasting
Creates a controlled rough or textured surface, improves coating adhesion, and provides a uniform finish for both metal and plastic parts.
PTFE (Teflon) Coating
Low-friction, non-stick, and biocompatible coating, ideal for moving parts, medical instruments, and equipment requiring easy cleaning.
Why Choose Our CNC Machining Services？
Zhongrongda We are a professional one-stop manufacturing factory specializing in the custom production of medium and large equipment enclosures, structural housings, precision mechanical parts, and mass production components. With integrated in-house capabilities from design, prototyping, tooling, injection molding, thick sheet vacuum forming, to CNC precision machining, we provide full-cycle manufacturing solutions for medical equipment, beauty devices, industrial robots, and automation industries worldwide.
Our core business covers custom medical device enclosures, beauty equipment housings, robot outer shells, and structural casing customization. We support rapid prototyping, low-volume trial production, and large-scale batch manufacturing. Our comprehensive production capabilities include thick sheet vacuum forming, precision plastic injection molding, mold design and development, CNC machining, lathe processing, and five-axis ultra-precision metal component manufacturing. We fully support one-stop customized development, production, and direct sales for industrial and medical equipment manufacturers.
Sets of Advanced CNC Machines, Including 5-Axis Machining Centers
Square Meters of Standard Production Workshop
Years of Precision Machining & Enclosure Customization
CNC machining workshop
CNC processing area
CNC processing area2
CNC processing area3
CNC processing area3
CNC processing area6
CNC processing area9
Medical Shell Processing Workshop
Factory exterior
Component assembly area
Large shell semi-finished product assembly area
Large shell semi-finished product assembly area2
Shell processing - production area
Shell processing - quality inspection area
Shell processing - semi-finished product assembly area
Shell processing - semi-finished product assembly area2
Shell processing - semi-finished product assembly area3
Shell processing assembly area
Shell processing carving area
Get Started Today!
Don’t wait to bring your ideas to life. Contact ZhongRongDa now and let our expert team help you launch your products faster, with top-quality results and significant cost savings.
Need Assistance? We're Here for You.
If you have any questions or need assistance, our team is ready to provide support 24/7. Reach out to us through any of the methods below.
FAQ
What is your typical lead time?
Answer：
Lead time depends on part complexity and quantity. Most prototypes can be completed within 2–5 days, while low-volume production typically takes 1–3 weeks.
What file formats do you accept?
Answer：
We accept STEP, STP, IGES, STL, and PDF drawings. If you’re unsure, simply send what you have — our engineers will review and assist you.
Do you have a minimum order quantity (MOQ)?
Answer：
No, we support everything from single prototypes to small batch production, giving you maximum flexibility.
Can you handle large-size parts or enclosures?
Answer：
Yes, we specialize in manufacturing large and complex enclosures without strict size limitations, making us ideal for projects that cannot use traditional molding.
What materials can you machine?
Answer：
We work with a wide range of materials including aluminum, stainless steel, brass, copper, and engineering plastics such as ABS, POM, and nylon.
What surface finishing options do you offer?
Answer：
We provide various finishing options including anodizing, bead blasting, powder coating, polishing, plating, and more to meet both functional and aesthetic requirements.
How do you ensure quality?
Answer：
Every part goes through strict quality inspection, including dimensional checks and surface inspection, to ensure it meets your specifications.
Can you help optimize my design?
Answer：
Yes, our engineering team can provide design suggestions to improve manufacturability, reduce cost, and shorten production time.
Do you support international shipping?
Answer：
Yes, we ship globally and work with reliable logistics partners to ensure safe and timely delivery.
How can I get a quote?
Answer：
Simply send us your drawings or project details, and we will provide a quotation within 24 hours.
