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

  • Precision CNC Machining

    Precision CNC Machining

    OEM Youlin® Precision CNC Machining made in China. Youlin is dedicated to producing top quality Precision CNC Machining parts and products that meet or exceed our customers’ expectations. With in-house engineering assistance, a full range of services, and the capabilities to provide prototypes and short- and long-run production, we are your one-stop shop for Precision CNC Machining.
  • Aluminum Forging

    Aluminum Forging

    Youlin uses proven Youlin® aluminum forging processes to produce parts that match our customers' exact requirements. Our design engineers will work with you, as needed, to optimize your designs for faster and more efficient production, without sacrificing part performance. We offer full technical support, secondary machining, variety of surface finishing processes, warehousing, assembly services, and more. Youlin is a true one-stop-shop for forged aluminum parts.
  • Aluminum Die Casting Parts Motorcycle Exhaust Pipe and Shell

    Aluminum Die Casting Parts Motorcycle Exhaust Pipe and Shell

    OEM Youlin® aluminum die casting parts motorcycle exhaust pipe and shell made in China. Youlin is dedicated to producing top quality aluminum die casting parts motorcycle exhaust pipe and shell and products that meet or exceed our customers’ expectations. With in-house engineering assistance, a full range of services, and the capabilities to provide prototypes and short- and long-run production, we are your one-stop shop for Precision CNC Machining.
  • Stainless Steel Lost Wax Investment Casting

    Stainless Steel Lost Wax Investment Casting

    At Youlin, we offer high quality, custom precision Youlin® stainless steel lost wax investment casting. 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.
  • Forged Brass Ball Valve

    Forged Brass Ball Valve

    As a professional Forged Brass Ball Valve Supplier & Factory in China, Youlin specializes in forging, CNC machining, and customization services for Forged Brass Ball Valve, providing stable and reliable valve component solutions to global customers. Leveraging our mature forging and machining systems, we support OEM/ODM customization, with products widely used in water meter systems, pipe connections, and various plumbing fittings projects. Combining our manufacturing experience in China with rigorous quality management, Youlin offers buyers stable delivery times and reasonable prices.
  • Centrifugal Casting

    Centrifugal Casting

    Chinese manufacturer Youlin® is committed to providing complete Centrifugal Casting service to global customers. In today's pursuit of high efficiency production and high quality, Youlin® centrifugal casting technology is becoming a brass sleeve parts manufacturing power in the field of innovation. For brass alloy parts that require high strength, high density and wear resistance, centrifugal casting technology offers an irreplaceable production solution. This casting process uses the centrifugal force generated by high-speed rotation to tightly press the molten metal against the mold wall, thereby forming a casting with outstanding mechanical properties. Especially in the manufacturing field of cylindrical sleeve parts such as brass sleeves, brass worm gears and brass nuts, centrifugal casting has demonstrated its unique technical advantages.

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