We focus on quality at every step to deliver precise sheet metal parts, from design to production.
● OEM/ODM mold customization
● Free samples available
● 7-day prototyping
● Fastest delivery in 3 days
● Zero-risk cooperation: full refund guaranteed if quality fails to meet standards
● ISO 9001 & BSCI certified factory
● Products certified by SGS/CE/ROHS/REACH
● 100% in-house control from raw materials to finished product inspection, saving you 18% in hidden costs
Get instant quotes for metal machined parts—ranging from rapid prototyping to full-scale production. Headquartered in China’s key manufacturing hubs, we offer global shipping with lead times as fast as 1 day.
CNC Machining materials
We can generate instant CNC Machining quotes for 10+ metals
| Material | Grade | Feature | Application |
| Stainless Steel | SUS 201, 304, 316 | Excellent corrosion resistance Durable | Kitchen appliances Medical parts Outdoor fasteners |
| Aluminum | 5052, 1060, 6061 | Lightweight Corrosion-resistant | Electronics Automotive parts LED housings |
| Brass | H62, H65 | High electrical conductivity Corrosion resistance | Electrical contacts Decorative hardware |
| Copper | T2, C1100 | Excellent conductivity Thermal performance | Heat sinks Electronic components |
| Cold Rolled Steel | SPCC, Q195, Q235, DC01 | Smooth surface Good dimensional Accuracy Easy forming | Brackets Enclosures Covers |
| Hot Rolled Steel | Q235, Q345 | Higher strength Rougher surface Lower cost | Structural parts Chassis Agricultural tools |
| Galvanized Steel | SGCC, DX51D+Z | Corrosion resistant Shiny surface | HVAC parts Electrical boxes Panels |
| Plastics | ABS、PC、PMMA（Acrylic）、POM、PA(Nylon）、PE、PEEK、PP、HDPE、PBT、PPA、PAI、PET、PPS | Different materials feature distinct properties. For detailed specifications, please contact us. | Aerospace、Medical Devices、Electronics and Semiconductors、Automotive Industry、Industrial Equipment and Automation |
Surface Finishes
We can instantly quote a wide variety of post-machining surface finishes.
1 day for 2D to turn into 3D
Custom CNC Machining Parts Solutions
| Description | Details |
|---|---|
| General Tolerances |
Metals : ISO 2768-m Plastics : ISO 2768-c |
| Precision Tolerances | TCJH can manufacture and inspect parts with strict tolerances according to your drawing specifications and GD&T annotations, including tolerances tighter than +/- 0.001 inches. |
| Min Wall Thickness | 0.5mm |
| Min End Mill Size | 0.5mm |
| Min Drill Size | 1mm |
| Maximum Part Size |
CNC Milling: 4000×1500×600 mm CNC Turning: 200×500 mm |
| Minimum Part Size |
CNC Milling: 5×5×5 mm CNC Turning: 2×2 mm |
| Production Volume |
Prototyping: 1-100 pcs Low volume: 101-10,000 pcs High volume: Above 10,001 pcs |
| Lead Time |
5 business days for most projects. Delivery of simple parts can be as fast as 1 day. |
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