CNC Machining Metal

When your project demands components with exceptional dimensional accuracy, repeatability, and complex geometries, Metal Precision CNC Machining is the definitive solution. Our state-of-the-art multi-axis CNC centers expertly process a vast array of metals, from common alloys to exotic grades, transforming raw material into high-performance Metal CNC Machining Parts. We specialize in producing tight-tolerance cnc machining parts that are critical for industries such as aerospace, medical devices, automotive, and robotics. For lightweight yet strong applications, our expertise in Aluminum CNC Machining provides optimal results, offering excellent machinability and corrosion resistance for everything from prototypes to full-scale production runs.


Our CNC Machining Metal service is backed by a comprehensive quality management system. We employ advanced metrology equipment, including CMMs and optical comparators, to verify every part against your specifications. Our dedicated engineering team works with you from design for manufacturability (DFM) feedback through final inspection, ensuring your components are delivered on time and to the highest standard. We understand the critical role that reliability plays in your supply chain and are committed to being your trusted partner for precision machined components.

Core Material Specifications

  • Aluminum Alloys: 6061, 7075, 2024; Excellent strength-to-weight ratio, good corrosion resistance, high thermal and electrical conductivity.
  • Stainless Steels: 303, 304, 316, 17-4 PH; Superior corrosion resistance, high strength, and excellent hygiene properties for medical and food-grade applications.
  • Steel & Alloy Steels: 1018, 1045, 4140, 4340; High tensile strength and durability for structural components and machined parts under heavy load.
  • Brass & Copper Alloys: C360, C110; Excellent machinability, good electrical conductivity, and natural antimicrobial properties.
  • Titanium Alloys: Grade 2, Grade 5 (Ti-6Al-4V); Exceptional strength-to-weight ratio, outstanding corrosion resistance, and biocompatibility for aerospace and medical implants.

Standard CNC Machining Capabilities

Capability Specification Typical Application
Maximum Part Size 800mm x 500mm x 400mm (X, Y, Z) Large brackets, housings, and frame components.
Tolerance Range (Standard) ±0.05 mm (±0.002") General machining for non-critical dimensions.
Tolerance Range (Precision) ±0.0125 mm (±0.0005") Bearing seats, precision shafts, and mating interfaces.
Surface Finish (Ra) 0.4 µm to 3.2 µm (16 µin to 125 µin) From functional finishes to near-mirror polished surfaces.
Machining Axes 3-axis, 4-axis, and 5-axis simultaneous milling Complex contours, undercuts, and multi-sided parts in a single setup.

Hot Products

  • Cold Forging

    Cold Forging

    Youlin is a Youlin® cold forging company, is your one-stop source for specialty fasteners, cold headed and machined parts, and engineered components, utilizing multi-station cold heading, multi-spindle screw machining and CNC and secondary machining. By blending cold forming technology including heading, threading and systematic tool forming designs with secondary machining, Youlin has a unique capability to engineer and manufacture long term, cost effective cold headed solutions for our customers.
  • Metal Stamping Parts

    Metal Stamping Parts

    At Youlin, we offer high quality, custom precision Youlin® metal stamping parts and components in many industries including Aerospace, Electronics, and Medical. We start with a custom design for your project, accounting for even the smallest features and tightest tolerances, and build stamping dies in-house. We will ensure that your part will be manufactured to your exact specifications and to the highest quality standards.
  • CNC Machining Brass Water Meter Body

    CNC Machining Brass Water Meter Body

    14.Ningbo Youlin Trading Co., Ltd. is a professional CNC machining brass water meter body manufacturer and supplier in China. From prototype through production, our fully equipped and certified engineering and quality control department will ensure that your product is made to exact specifications. Our customers range from industry giants to engineering students and hobbyists, all of whom seek the highest quality laser cut parts at the right price. We have produced CNC machining brass water meter body for over many years, looking forward to reaching a long-term cooperative relationship with you.
  • Aluminum Parts Hot Forging Parts

    Aluminum Parts Hot Forging Parts

    Ningbo Youlin Trading Co., Ltd. is a large-scale aluminum parts hot forging parts manufacturer and supplier in China. We have been specialized in All-In-One Solutions for Precision CNC Machining, CNC turning, CNC Milling, Metal Stamping, Deep Drawing, Forging, Casting, Investment Casting, Die Casting, Aluminum Extrusion, Plastic Injection, Tube Laser Cutting and Sheet Metal fabrication in a variety of industries for many years. Our products have a good price advantage and cover most of the European and American markets. We look forward to becoming your long-term partner in China.
  • Stamping Copper Cable Lug Cable Connector

    Stamping Copper Cable Lug Cable Connector

    Ningbo Youlin Trading Co., Ltd. is a professional Stamping Copper Cable Lug Cable Connector manufacturer and supplier in China. From prototype through production, our fully equipped and certified engineering and quality control department will ensure that your product is made to exact specifications. Our customers range from industry giants to engineering students and hobbyists, all of whom seek the highest quality laser cut parts at the right price. We have produced Stamping Copper Cable Lug Cable Connector for over many years, looking forward to reaching a long-term cooperative relationship with you.
  • Stainless Steel Windows Hinges

    Stainless Steel Windows Hinges

    In the field of building and home safety, the performance of doors and Windows is very important, and the core component that determines the service life and safety factor of doors and Windows is the hinge that looks inconspicuous but bears all the weight of doors and Windows. Traditional hinge products tend to be incompetent in the face of increasing door and window sizes, frequent opening times and extreme weather, and are prone to deformation, sagging and even fracture risk. To this end, we, Youlin ® innovated the introduction of stainless steel precision casting process, ingenuity to create a new generation of high-strength architectural door and stainless steel windows hinges, injects unparalleled stability and safety into modern buildings.

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