Custom CNC Machining Services
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 Services for Custom Parts
TCJH provides end-to-end custom CNC machining services—from rapid prototyping to high-volume production—shipping worldwide directly from our owned CNC facilities and extensive manufacturing network in China. Equipped with over 30 CNC machines capable of milling, turning, routing, EDM, drilling, and precision grinding, we expertly produce both simple and highly complex components with lead times as fast as 1 day. Our ISO-certified operations guarantee consistent precision and quality on every part.
Custom CNC Milling Services
We are equipped with over 20 milling centers, including 3-axis, 4-axis, and advanced 5-axis CNC machines, capable of effortlessly handling high-precision tolerances and complex geometries in metal components. Our machining accuracy can reach ±0.01 mm. We serve a wide range of industries and possess deep expertise in mold manufacturing.
Custom CNC Turning Services
Our fleet of CNC lathes, turning centers, and mill-turn machines enables us to produce cylindrical parts—even from square or hexagonal bar stock—with ease. Whether you need turned prototypes or production-run components, we deliver in just a few days.
CNC Machining for Prototyping to Production
Whether you require rapid machining, small-batch machining or high volume manufacturing, RapidDirect offers CNC machining solutions that scale with your project, maintaining quality, precision and fast turnaround times.
CNC Machining Materials
Whether you require rapid machining, small-batch machining or high volume manufacturing, TCJH offers CNC machining solutions that scale with your project, maintaining quality, precision and fast turnaround times.
- Aluminium
- Steel
- Stainless Steel
Aluminium
Aluminium is lightweight, strong, and easy to machine, positioning it great for various applications like aerospace and automotive parts. Its corrosion resistance also adds to its appeal in outdoor projects and structural components.
Color: Silver
Subtypes: Aluminium 6061, 6061-T6, Aluminium 2024
Available Finish: As machined, Anodizing, Powder coating, Electroplating, Painting, Sand blasting, Polishing
Price: $$
Lead Time: About 5 business days
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Steel
Steel is an alloy of iron and carbon, known for its high tensile strength and durability. It's widely used in construction, manufacturing, and automotive industries due to its versatility and cost-effectiveness.
Color: Dark Gray
Subtypes: Carbon Steel, Alloy Steel, Tool Steel
Available Finish: As rolled, Galvanized, Painted, Powder coated, Polished
Price: $
Lead Time: About 3-5 business days
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Stainless Steel
Stainless steel is an alloy of iron, chromium, and other elements, prized for its corrosion resistance and sleek appearance. It's commonly used in kitchenware, medical equipment, and architectural applications.
Color: Silver
Subtypes: 304, 316, 430, 17-4 PH
Available Finish: Brushed, Mirror, Satin, Bead blasted, Anodized
Price: $$$
Lead Time: About 5-7 business days
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CNC Machining Surface Finishes
We offer 10+ surface finish options for your CNC prototypes and full production parts.
Our extensive options allow you to match finishes to your parts’ specific requirements and applications.
Tolerances for CNC Machining
| 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. |
China’s CNC Machine Shops. Ship Globally
Tongchengjianhui’s robust network of CNC facilities in China ensures 1-day lead times for CNC parts. Equipped with standard CNC machines, including grinders, wire cutters, and EDM machines, plus automated production lines. We provide precise manufacturing, smooth communication, and reliable global shipping for prototypes and production orders.