Get instant quotes and fast-turn production for precision metal and plastic parts. Yicen delivers high-accuracy components through advanced 3-axis, 4-axis, and 5-axis CNC machining, achieving tolerances down to ±0.001 in (±0.025 mm) with consistent, repeatable quality across prototypes and production runs.
ISO 9001:2015 | AS9100D | ISO 13485 | ITAR Compliant
Yicenprecision Instant Quoting Engine is covered by U.S. Pat. Nos. 11,086,292, 11,347,201, 11,693,388, 11,698,623, 12,099,341, and 12,189,361. Other patents pending.
Yicen provides high-quality and tight-tolerance machining that is backed by elaborate equipment, engineering skills and approved quality control. All components are manufactured with precision, consistent lead times and dependable worldwide supply.
Multi-axis machining to within +-0.001 in (+-0.025 mm) and consistent GD&T compliance on both metals and plastics.
Your CAD is evaluated by senior engineers, geometry is optimized, and better-performing and less expensive materials and toolpaths are suggested.
Machining centers with high capacity allow quick prototyping, low volume production, and any scale of production without delays.
Aluminum, steel, stainless, brass, copper, titanium, engineering plastics, high-temp polymers, and demand sourcing.
CMM inspection, ISO compatible workflows, dimensional reports and aerospace, medical and industrial traceability.
Transparency with projects, safety in file management, and uninterrupted global shipping with engineering support at all levels.
With our developed manufacturing capacity, we will be able to produce high-precision metal and plastic parts, which produce the same level of consistency in the quality of prototypes, tooling, and full production. Having started with multi-axis milling, Yicen Precision has ensured reliability in the results even with most complex geometries, in terms of turning and development of the fixtures.
Live tooling in CNC turning provides high-quality cylindrical and threaded components that have smooth finishes and consistent dimensional accuracy. It guarantees to provide reliable tolerance control of the shafts, bushings and rotating elements that are under ISO 9001 2015 AS9100D ISO 13485 and ITAR compliant quality criteria.
Our design and manufacture precision jigs and fixtures which improves machining, assembly and inspection processes. Our fixtures are manufactured by high-precision CNC operations to be stable, repeatable and durable in small-batch and high-volume manufacturing settings.
CNC milling is a subtractive machining technique which involves cutting metal and plastic material in the form of precise and repeatable shapes using 3-axis, 4-axis and 5-axis machines. Best suited to complicated geometries, strict tolerances, and high surface finishes on prototype and production components.
Yicen Precision delivers advanced DMLS 3D printing services for mission-critical metal components requiring exceptional accuracy, density, and durability. From aerospace brackets to medical-grade implants, our custom DMLS 3D printing process ensures flawless detail, superior mechanical strength, and reliable performance for both prototypes and end-use production. Every layer, every feature, engineered with precision and built to withstand demanding real-world conditions.
Deliver complete, precision assembly services that transform individual parts into fully functional products and sub-assemblies. With seamless coordination between machining and assembly, our solutions ensure tight fits, accurate alignment, and consistent quality, from prototypes to high-volume production. Every component is assembled with engineered precision, reliability, and performance.
Achieve exceptionally tight tolerances and flawless finishes for critical components. Our precision grinding services deliver high accuracy, ensuring the most demanding parts meet the highest standards. With advanced machinery and expert craftsmanship, we guarantee smooth surfaces and superior performance for every project, from prototyping to full-scale production.
With our precision cnc machining services, you get tight tolerances and exceptionally accurate components that meet the most demanding industry requirements. Yicen delivers consistent results across both plastic and metal cnc machining services, ensuring every part matches your specifications with complete reliability.
| Parameter | Specification |
|---|---|
| General Dimensional Tolerances | ±0.005” (±0.127 mm) for metals ±0.010” (±0.254 mm) for plastics In line with ISO 2768-mK unless otherwise specified |
| Tight Tolerances | Down to ±0.001” (±0.025 mm) available upon request, with detailed 2D drawings and GD&T specifications |
| Minimum Feature Size | ~0.020” (0.50 mm), depends on part geometry, tool diameter, and material |
| Hole Diameter Tolerance | ±0.002” (±0.05 mm) typical; tighter tolerances with boring or reaming |
| Flatness/Parallelism | ≤ 0.002” per 6” (≤ 0.05 mm per 150 mm), varies by material and fixture setup |
| Thread Tolerances | Standard metric and imperial threads per ISO/ASME; custom or fine threads available on request |
| Angular Tolerance | ±0.5° typical |
| Surface Finish (Standard) | Ra 3.2 μm (125 μin) as-machined; improved finishes available via polishing, bead blasting, anodizing, etc. |
| Aluminium Alloy | Description | Finishing Options | Applications |
|---|---|---|---|
| 6061 | Versatile and commonly used for structural applications. | Anodizing, Powder Coating, Polishing | Construction, Aerospace, Automotive |
| 7075 | High strength, ideal for aerospace and military applications. | Anodizing, Powder Coating, Polishing | Aerospace, Military, High-Strength Components |
| 2024 | Known for its high strength and excellent fatigue resistance. | Anodizing, Cladding, Painting | Aerospace, Military, Structural Components |
| 5052 | Good corrosion resistance and formability, used in marine and automotive applications. | Anodizing, Painting, Polishing | Marine, Automotive, Sheet Metal Work |
| 5083 | Exceptional performance in extreme environments, particularly marine applications. | Anodizing, Painting, Polishing | Marine, Chemical, Industrial |
| 6082 | Excellent extrudability, used for architectural and engineering applications. | Anodizing, Powder Coating, Polishing | Architecture, Engineering, Window Frames |
| 7050 | High strength and stress corrosion resistance, often used in aerospace. | Anodizing, Cladding, Painting | Aerospace, High-Stress Components |
| 1100 | Commercially pure aluminum, excellent corrosion resistance and workability. | Anodizing, Painting, Polishing | Chemical Equipment, Food Processing, Heat Exchangers |
| Brass Alloy | Description | Finishing Options | Applications |
|---|---|---|---|
| C260 | Cartridge brass, excellent for cold working. | Plating, Polishing, Lacquering | Ammunition, Heat Exchangers, Plumbing |
| C360 | Free machining brass, used for precision parts. | Plating, Polishing, Lacquering | Precision Machined Parts, Fasteners, Plumbing |
| C353 | High leaded brass, high strength, used in plumbing. | Plating, Polishing, Lacquering | Plumbing, Fasteners, Valve Components |
| C385 | Architectural bronze, applications for its decorative appeal. | Plating, Polishing, Lacquering | Architectural Trim, Ornamental Hardware, Plumbing |
| C272 | Yellow brass, excellent corrosion resistance, used in electrical components. | Plating, Polishing, Lacquering | Electrical Components, Fasteners, Plumbing |
| Copper Alloy | Description | Finishing Options | Applications |
|---|---|---|---|
| C101 | Oxygen-free, high conductivity, used in electrical applications. | Plating, Polishing, Lacquering | Electrical Conductors, Switches, Terminals |
| C110 | Electrolytic tough pitch, highly conductive, used in electrical and plumbing. | Plating, Polishing, Lacquering | Electrical Wiring, Plumbing, Busbars |
| C122 | Phosphorus-deoxidized, used in heat exchangers and radiators. | Plating, Polishing, Lacquering | Heat Exchangers, Radiators, Plumbing |
| C172 | Beryllium copper, high strength, used in aerospace and oil drilling. | Plating, Polishing, Lacquering | Aerospace, Oil Drilling, Springs |
| C194 | High conductivity, used in automotive and electrical applications. | Plating, Polishing, Lacquering | Automotive Connectors, Electrical Connectors, Springs |
| C210 | Low brass, good ductility and strength, used in fasteners and hardware. | Plating, Polishing, Lacquering | Fasteners, Hardware, Musical Instruments |
| C220 | Commercial bronze, used in jewelry and musical instruments. | Plating, Polishing, Lacquering | Jewelry, Musical Instruments, Architectural Hardware |
| C230 | Red brass, used in architectural applications and hardware. | Plating, Polishing, Lacquering | Architectural Applications, Hardware, Plumbing |
| Grade | Description | Finishing Options | Applications |
|---|---|---|---|
| 301 | Excellent machinability, used for making automotive parts bolts, nuts, and screws. | Polishing, Passivation, Bead blasting | Used for making automotive parts, bolts, nuts, and screws. |
| 304 | Most versatile and widely used stainless steel, used in kitchen equipment tanks, piping, and tubing. | Polishing, Brushing, Passivation | Used in kitchen equipment, tanks, piping, and tubing. |
| 304L | Low carbon version of 304, used for chemical containers and transport. | Electropolishing, Passivation, Bead blasting | Used for chemical containers and transport. |
| 316 | Contains molybdenum for increased corrosion resistance, used in marine applications and chemical processing equipment. | Polishing, Passivation, Bead blasting | Used in marine applications and chemical processing equipment. |
| 316L | Low carbon version of 316, used for surgical instruments and marine hardware. | Electropolishing, Passivation, Bead blasting | Used for surgical instruments and marine hardware. |
| 410 | Martensitic grade, used for fasteners and medical instruments. | Hardening, Polishing, Passivation | Used for fasteners and medical instruments. |
| 416 | High machinability, used for gears, shafts, and valves. | Polishing, Passivation, Bead blasting | Used for gears, shafts, and valves. |
| 420 | High hardness, used for surgical instruments and cutlery. | Hardening, Polishing, Passivation | Used for surgical instruments and cutlery. |
| 430 | Ferritic grade, used for automotive trim and dishwashers. | Polishing, Brushing, Passivation | Used for automotive trim and dishwashers. |
| Steel Alloy | Description | Finishing Options | Applications |
|---|---|---|---|
| 4140 | Chromium-molybdenum steel with high toughness and good fatigue strength. | Heat Treating, Anodizing, Powder Coating | Gears, Shafts, High-Stress Components |
| 4340 | Nickel-chromium-molybdenum steel with excellent toughness and strength. | Heat Treating, Anodizing, Powder Coating | Aircraft Landing Gear, Automotive Parts, Heavy Duty Shafts |
| 8620 | Nickel-chromium-molybdenum alloy steel, case hardening steel. | Carburizing, Heat Treating, Plating | Gears, Pins, Automotive Parts |
| 1018 | Low carbon steel, good weldability and machinability. | Painting, Powder Coating, Galvanizing | Structural Applications, Shafts, Spindles |
| 1045 | Medium carbon steel, high strength and impact resistance. | Heat Treating, Plating, Painting | Gears, Shafts, Machinery Parts |
| 4130 | Chromium-molybdenum alloy steel, good strength and toughness. | Heat Treating, Anodizing, Powder Coating | Aircraft Components, Bicycle Frames, Automotive Parts |
| 1210 | Low carbon steel, good formability and weldability. | Galvanizing, Painting, Powder Coating | Automotive Parts, Machinery Components, Structural Steel |
| 17-4 PH | Precipitation-hardening stainless steel, high strength and hardness. | Heat Treating, Anodizing, Passivation | Aerospace Components, High-Strength Applications |
| Titanium Alloy | Description | Finishing Options | Applications |
|---|---|---|---|
| Grade 1 | Commercially pure titanium, excellent corrosion resistance and formability. | Anodizing, Polishing, Sandblasting | Chemical Processing, Marine, Medical |
| Grade 2 | Commercially pure titanium, balance of strength and ductility. | Anodizing, Polishing, Sandblasting | Aerospace, Medical, Marine |
| Grade 5 (Ti-6Al-4V) | Most commonly used titanium alloy, high strength and light weight. | Anodizing, Polishing, Heat Treating | Aerospace, Medical Implants, Marine |
| Grade 9 | Titanium alloy with good weldability and cold formability. | Anodizing, Polishing, Sandblasting | Aerospace, Chemical Processing, Marine |
| Grade 23 (Ti-6Al-4V ELI) | Extra-low interstitial variant of Grade 5, high strength and toughness. | Anodizing, Polishing, Heat Treating | Medical Implants, Aerospace, Marine |
| Grade 7 | Commercially pure titanium with excellent corrosion resistance. | Anodizing, Polishing, Sandblasting | Chemical Processing, Marine, Medical |
| Grade 12 | Titanium alloy with excellent corrosion resistance and strength. | Anodizing, Polishing, Heat Treating | Chemical Processing, Marine, Aerospace |
| Plastic Material | Description | Finishing Options | Applications |
|---|---|---|---|
| ABS | Acrylonitrile Butadiene Styrene, good impact resistance and toughness. | Painting, Plating, Sanding | Automotive Parts, Consumer Products, Enclosures |
| PC | Polycarbonate, high impact resistance and transparency. | Polishing, Sandblasting, Painting | Optical Discs, Safety Equipment, Automotive Parts |
| PMMA | Polymethyl Methacrylate (Acrylic), excellent optical clarity and weather resistance. | Polishing, Sanding, Painting | Displays, Lenses, Lighting Fixtures |
| POM | Polyoxymethylene (Delrin/Acetal), high stiffness and low friction. | Machining, Sanding, Polishing | Gears, Bearings, Medical Devices |
| PEEK | Polyetheretherketone, high temperature and chemical resistance. | Machining, Sanding, Polishing | Aerospace, Medical Implants, Semiconductor Parts |
| PP | Polyphenylene , high mechanical and thermal properties. | Machining, Sanding, Polishing | Automotive, Electrical Components, Industrial Applications |
| PA66 | Polyamide (Nylon 66), high mechanical strength and rigidity. | Machining, Sanding, Polishing | Mechanical Parts, Automotive, Electrical Insulation |
| PEI | Polyetherimide (Ultem), high strength and excellent electrical properties. | Machining, Sanding, Polishing | Aerospace, Medical Devices, Electrical Components |
| SAN | Styrene Acrylonitrile, good chemical resistance and transparency. | Machining, Sanding, Polishing | Housewares, Cosmetic Containers, Automotive Parts |
| HIPE | High Impact Polystyrene, good impact resistance and machinability. | Machining, Sanding, Painting | Packaging, Consumer Products, Electrical Insulation |
| HIPD | High Impact Polypropylene, high impact resistance and low density. | Machining, Sanding, Painting | Automotive Parts, Industrial Applications, Consumer Goods |
| Fiber-Reinforced Materials | Composite materials with enhanced mechanical properties. | Machining, Sanding, Painting | Aerospace, Automotive, Sporting Goods |
CNC machining delivers high-precision, functional parts, but surface finishing is key to enhancing durability, aesthetics, and overall performance. At Yicen Machining, we provide a variety of post-machining surface treatments tailored to your specific design and application needs.
The standard finish with visible tool marks. Ideal for functional components where appearance is not a primary concern.
A fine abrasive is applied to produce a smooth, matte finish, perfect for achieving uniform texture and visual appeal.
A tough, colored coating that offers superior resistance to wear and corrosion. Available in various colors and finishes.
Generates a consistent, linear grain across metal surfaces, commonly used for decorative or semi-cosmetic applications.
Delivers a glossy, mirror-like finish that enhances visual appeal, especially for consumer-facing or display parts.
An electrochemical process that smooths and brightens metal surfaces while boosting corrosion resistance and cleanliness.
Anodizing improves corrosion resistance, surface hardness, and wear resistance while allowing for vibrant color options.
Frequently applied to CNC-machined stainless steel parts to improve corrosion resistance, particularly in medical and food-grade components.
Each CNC machined unit in Yicen Precision undergoes a verified inspection procedure complying with ISO 9001:2015, AS9100D and ISO 13485 standards.
Our metrology staff takes every part with prototype through to full production assurance to the defined GD&T and surface finish standards; traceable and acceptable.
CMM, digital micrometers, and optical measurement system are used to check all the critical features with precision at the micron level.
Components pass ISO 2768-mK and ASME Y14.5 standards, providing batches with accurate form, position and profile.
Surface roughness (Ra 3.2-0.8 mm) and coating thickness are checked to ensure the performance and the appearance.
Every order consists of material certificates (MTRs), FAI reports, and CMM data sheets to ensure full transparency of the processes.
| Radii | In CNC machining, sharp internal corners on a workpiece will naturally form rounded corners (radii). The depth must not exceed 12 times the diameter of the drill. For end mills, the depth must not exceed 10 times the diameter of the tool. |
| Threads and Tapped Holes | Diameter Φ 1.5-5 mm, depth: 3 times the diameter. Diameter Φ 5 mm or larger, depth: 4-6 times the diameter. Yicen Precision can produce threads of any specification and size as required by the customer. |
| Undercuts | Square profiles, full radius, dovetail profiles. |
| Text | CNC Milling: Minimum width of 0.5 mm and depth of 0.1 mm. CNC Turning: Yicen Precision can use laser marking to create standard text for CNC turned parts. Yicen Precision can create standard text via CNC engraving or laser engraving as per customer requirements. |
Your design deserves more than basic manufacturing, it deserves a process built around performance. Our online CNC machining services ensure each curve, cut, and contour aligns with your engineering intent. With industry-leading multi-axis capabilities, we machine complex parts that many shops won’t even attempt. Every component is crafted with tight tolerances, repeatable accuracy, and dependable turnaround times, so you can move faster, assemble confidently, and scale your product without compromise.
Yicen Precision is serving a broad spectrum of industries, covering aerospace, automotive, electronics, medical, and more. We specialize in providing high-quality, reliable parts tailored to meet the unique engineering challenges of each industry.
Easily upload your CAD files through our secure online platform to get started.
Choose your material, finish, tolerances, and preferred lead time to match your project needs.
Receive a real-time quote based on your design and selected specifications, no delays.
Your parts are manufactured by trusted partners, quality-checked, and delivered to your door on time.
CNC rapid prototype machining is perfect for creating engineering or production prototypes that closely resemble the final product in both appearance and functionality. At Yicen, we offer instant quotes and fast delivery, providing you with precise, high-quality CNC machined prototypes for your needs.
Low volume CNC machining often acts as a bridge between prototyping and mass production for new and emerging production. With Yicen, this process becomes easier, more efficient, and cost-effective, allowing you to scale production quickly while maintaining high-quality standards.
CNC production machining is the best solution for producing a thousand parts or more efficiently. Leveraging a diverse selection of materials and automation and multi-axis capabilities, Yicen delivers high-volume production with tight tolerances, superior dimensional accuracy, high reliability and fast turnaround times.
Whether you’re creating a small batch of custom parts or scaling up for high-volume production, Yicen machining services offer the flexibility you need.CNC machining involves the manufacture of high precision, functional parts in a wide variety of industries. The most prevalent types of applications customers search and anticipate are given below.
Electronics, robotics, sensor, industrial assemblies, and other electronics enclosures that demand strict dimensional control.
Rigid brackets, supports, linkages and mounting frames applied in automotive, aerospace, and automation systems.
Rigid brackets, supports, linkages and mounting frames applied in automotive, aerospace, and automation systems.
Aluminum or copper heat management parts in fine geometries of fin and optimized surface areas.
Elements of the drive that have a high degree of alignment and smoothness of operation and engagement.
Engineering validation and testing Prototypes that replicate the performance of production level.
Locator blocks, base plates, inserts, soft jaws and production tooling used in machining and assembling environment.
Components must contain rigid GD&T, material traceability, and high reliability performance.
Discover our expert precision cnc machining services, where accuracy meets performance at every stage. From intricate prototypes to production-ready components, our custom cnc machining services deliver high-accuracy parts. Every cut, every contour, crafted with exceptional quality, consistency, and attention to detail.
Not all metal components are created equal, yours need to fit perfectly, function flawlessly, and perform under pressure. Our metal CNC machining services deliver exactly that. Whether you’re building prototypes, upgrading assemblies, or moving into production, our engineers work closely with you to achieve exceptional detail in every feature. Intricate geometries, demanding tolerances, high-strength materials, nothing is too complex. With craftsmanship you can trust and technology built for speed, we help your product make a stronger impact with every part delivered.
Explore Machining services blog for expert insights on CNC machining, industry trends, manufacturing tips, and technology updates—designed to keep you informed, inspired, and ahead in precision engineering.
We specialize in converting your ideas into high-quality, functional components with unparalleled speed and accuracy. With advanced technology and expert craftsmanship, we create parts that meet the most complex specifications.
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