Shenzhen China

No. 28, Langrong Road, Xinshi Community, Dalang Subdistrict, Longhua District

+86 15875583127

Response time available, quick quote within 3 hours

Enterprise services

We have efficiently provided satisfactory solutions to over 1000 clients.

Precision
CNC Machining Services for Complex Metal Parts

PROFIT provides precision CNC machining services for complex metal parts, including 5-axis machining, Swiss machining and tight-tolerance manufacturing for aerospace, medical and robotics industries.
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PROFIT's Hardware Processing Capabilities

Precision CNC Machining

Custom 3-axis and 4-axis CNC milling for tight-tolerance metal parts, rapid prototypes and low-volume production. Supports aluminum, stainless steel, brass, copper, titanium and engineering alloys with CMM quality inspection.

5-Axis CNC Machining

Advanced simultaneous 5-axis CNC machining using DMG MORI equipment with up to 18,000 RPM spindle speed. Built for complex geometries, aerospace components, medical parts, impellers and high-precision structural metal components.

Precision Swiss Machining

High-precision Swiss turning and CNC mill-turn machining powered by Japanese Tsugami systems. Ideal for micro parts, slender shafts, threaded components, medical hardware, brass parts and complex small-diameter metal components.

Vacuum Casting Services

Rapid vacuum casting for functional prototypes, small-batch plastic parts and pre-production validation. Suitable for complex shapes, appearance models, engineering samples and low-volume product testing before mass production.

Additional Manufacturing Services We Provide

Need Help With a Complex Part or Special Material?

Our engineering team responds within 10 minutes and provides quotations within 3 hours. We support complex part evaluation, DFM suggestions, special materials and multi-process manufacturing requirements.

Advanced Manufacturing Infrastructure

Engineered for Tight-Tolerance & Complex Geometry Parts

We invest in advanced CNC machining infrastructure to support high-precision, complex geometry and multi-process manufacturing projects for global industrial customers.

5-Axis CNC Machining:
DMG MORI simultaneous 5-axis machining centers with spindle speeds up to 18,000 RPM for aerospace components, impellers and complex structural parts.

Swiss-Type Precision Machining:
Japanese Tsugami Swiss machining systems designed for micro components, precision shafts and tight-tolerance small metal parts.

Large-Part Manufacturing Capacity:
Multi-axis machining systems supporting large-format components up to 27.5 × 120 inches for industrial and automation applications.

Surface Finish & Quality Control:
Achieving surface finishes down to Ra 1.2 and mirror polishing up to Ra 0.8 with CMM dimensional inspection support.

Real-Time CNC Manufacturing Operations

DMG MORI simultaneous 5-axis machining for high-complexity aluminum and titanium components.

DMG MORI simultaneous 5-axis machining for high-complexity aluminum and titanium components.

DMG MORI simultaneous 5-axis machining for high-complexity aluminum and titanium components.

Quality Assurance

Certified Precision Quality Systems for Critical Components

Our certified quality management system is designed to ensure dimensional consistency, process stability and reliable repeatability for high-precision manufacturing projects.

ISO-Certified Manufacturing:
Compliant with ISO 9001 and IATF 16949 standards for industrial and automotive quality control.

Advanced CMM Inspection:
Full-dimensional verification using Coordinate Measuring Machine (CMM) systems for tight-tolerance components and critical assemblies.

Precision Tolerance Control:
Maintaining dimensional tolerances down to ±0.005 mm for shafts, holes and precision-machined features.

DFM Engineering Support:
Providing design-for-manufacturing recommendations to improve manufacturability, optimize structures and reduce production costs.

Precision Machining Solutions for High-Requirement Industries

Aerospace & Aviation

5-axis CNC machining for complex aerospace components, lightweight structural parts, impellers and high-performance metal components. PROFIT supports titanium, Inconel, aluminum alloys and heat-resistant superalloys for demanding aviation applications.

5-Axis CNC MachiningTitanium & InconelComplex Geometry

Medical & Healthcare

Precision Swiss machining and CNC turning for medical hardware, miniature components, threaded parts, surgical device components and tight-tolerance shafts. CMM inspection helps verify critical dimensions, hole diameters and repeatable part accuracy.

Swiss Machining±0.005mm ToleranceCMM Inspection

Automotive & Mobility

Multi-process manufacturing for automotive prototypes, mobility hardware, aluminum and zinc die-cast parts, CNC turn-mill components and low-volume production parts. Built for stable quality, rapid iteration and cost-effective production support.

Turn-Mill MachiningDie CastingRapid Prototyping

Automation & Robotics

Custom precision mechanical parts for robotics, automation equipment, motion systems, fixtures and industrial assemblies. PROFIT supports complex structures, tight-fit components, surface finishing down to Ra 1.2 and mirror polishing up to Ra 0.8.

Custom Mechanical PartsSurface Finish Ra 0.8Low-Volume Production
Manufacturing Workflow

From CAD Files to Precision Parts Delivery

A transparent CNC machining workflow built for fast RFQ response, engineering review, quality-controlled production and reliable global delivery.

01

Submit Drawings & CAD Files

Send your 2D drawings, 3D CAD models or technical specifications through our secure RFQ channel. Our engineering team starts file verification within 10 minutes.

02

DFM Engineering Review

Senior engineers evaluate manufacturability, tolerance risks, material selection, surface finish requirements and cost-saving opportunities before production.

03

3-Hour Technical Quotation

Receive a clear CNC machining quotation with process suggestions, material options, estimated lead time and production feasibility after drawing approval.

04

Rapid Prototyping & Sampling

Prototype parts are produced using CNC machining, 5-axis machining, Swiss turning, die casting or other suitable processes, with global sample delivery available within 5 days.

05

Quality-Controlled Production

After sample approval, batch production runs under ISO 9001 and IATF 16949 quality systems, supported by CMM inspection, dimensional verification and process traceability.

Customer Feedback

Trusted by Engineering Teams for Complex Precision Parts

Global buyers rely on PROFIT for tight-tolerance machining, responsive engineering support, special material expertise and reliable delivery for high-requirement manufacturing projects.

Medical & Healthcare

“Finding a manufacturing partner capable of maintaining strict hole and shaft tolerances down to ±0.005mm for surgical components was a challenge. PROFIT delivered exceptional results on our multi-axis CNC micro-machining order, with CMM inspection support that matched our quality validation requirements.”

Director of Engineering | European Medical Device Manufacturer
Aerospace & Defense

“PROFIT’s technical input during drawing evaluation was highly valuable. Their DFM suggestions helped optimize our complex 5-axis milling geometry and reduce machining cost. Combined with DMG MORI multi-axis capability, they proved to be a reliable supplier for precision aerospace hardware.”

Senior Procurement Manager | North American Aerospace Contractor
Automation & Robotics

“For our automation components, surface finish and dimensional repeatability are critical. PROFIT’s Swiss machining and finishing capabilities delivered consistent results, while their fast RFQ response and global delivery helped keep our development schedule on track.”

VP of Operations | Automation & Robotics Systems Integrator
FAQs

Precision CNC Machining FAQs

Answers about CNC machining tolerances, materials, lead times, DFM support, quality inspection and rapid manufacturing services.

What machining tolerances can PROFIT achieve?

Standard CNC machining tolerances are controlled according to ISO 2768-m. For critical dimensions, bearing fits, shafts and precision holes, tolerances down to ±0.005mm can be achieved depending on material, geometry and machining process.

What materials do you support for CNC machining?

We machine aluminum, stainless steel, carbon steel, brass, bronze, copper, titanium and engineering alloys. PROFIT also supports Inconel, Hastelloy, Monel and nickel-based superalloys for aerospace, medical and high-performance industrial applications.

Do you support rapid prototyping and low-volume production?

Yes. PROFIT supports rapid prototyping, bridge manufacturing, low-volume production and custom precision machining for complex metal parts and tight-tolerance components.

How fast can I receive a quotation?

Our engineering team typically responds within 10 minutes after receiving drawings or CAD files. Standard RFQs can receive a 3-hour quotation response depending on part complexity and manufacturing requirements.

What quality inspection equipment do you use?

We use Coordinate Measuring Machines (CMM), optical inspection systems and dimensional verification tools to ensure repeatable precision, tolerance consistency and stable production quality.

Do you provide DFM engineering support?

Yes. PROFIT provides Design for Manufacturing (DFM) recommendations to optimize machining feasibility, reduce manufacturing costs, improve structural design and shorten lead times.

Knowledge Base

Request a Quote

Upload Your Drawings & Get a Technical Quote

Send your CAD files, technical drawings or project requirements. Our engineering team provides rapid RFQ support, DFM recommendations, material suggestions and manufacturing feasibility analysis for precision machining projects.

✓ 10-Minute Engineering Response
✓ 3-Hour RFQ Turnaround
✓ CNC, 5-Axis & Swiss Machining
✓ Titanium, Inconel & Superalloys
✓ ISO Quality Control & CMM Inspection
✓ Global Prototype Delivery in 5 Days

Start Your RFQ

Upload your project details and our engineering team will contact you shortly.