On-Demand Manufacturing, CNC Machining, and Sheet Metal

Custom small quantity prototyping and mass production services. Get your cost-effect parts in days.

  • CNC Machining, Sheet Metal Fabrication,
  • Electrical Discharge Machining (EDM), Laser Cutting
  • Wire Cut, Waterjet Cutting, Plasma Cutting Service

ISO 9001 Certified & Trust By

CNC Machining

Prolean provides CNC machining services of any complexity for rapid prototypes and production parts. Start a one-hour CNC quote from a real engineer, and get your parts made as fast as one day.

CNC Milling

Our 3-axis & 5-axis CNC milling center is dedicated to creating complex geometries and features

CNC Turning

With our latest CNC lathes and turning centers, even the most complex turned parts are possible


Allow multiple operations on a single machine, perfect for high precision parts with complex geometries

Electrical Discharge

Highly accurate machining service of cutting metal to precise shapes using electricity

Wire Cut

Our wire cut services can provide high precision tolerances, as tight as ±0.0002″ for an array of industries and applications.

Sheet Metal Fabrication

Sheet metal cutting and forming services from prototypes to on-demand production of sheet metal parts. This service is widely used in a variety of industries including construction, automotive, aerospace, and electrical.

Laser Cutting Service

Our laser cutting service are able to deliver high-precision cutting and engraving on materials such as aluminum steel, coppe and more

Sheet Metal Bending

Deliver accurate angles with our bending services, achieving a final product that fits within tight tolerances

Stamping Service

Stamping service is a rapid process that generates parts with complex geometries at relatively lower costs.

Waterjet Cutting

High precision CNC waterjet cutting service cut through sheet metals without leaving burn marks

Welding Service

If you need to create a joint on the Metal & alloy pieces for your project, the Welding process is the right choice!

On-Demand Manufacturing Solutions

Whether you’re looking to validate a design with rapid prototyping or seeking mass production capabilities, Proleantech offers comprehensive On-Demand Manufacturing Solutions.

Our array of services encompasses Rapid Prototyping, Low Volume Production, Mass Production, and Sub-contract offerings, ensuring tailored solutions for every project need.

Rapid Prototyping


Rapid Prototyping turns your concepts into tangible products swiftly. Ideal for design validation and iterations.

Low Volume


Low Volume Production is ideal for startups and special projects to get top-quality results without the need for mass production.

Mass Production


With state-of-the-art machinery and techniques, we promise consistent quality on a grand scale, meeting your demands from start to finish.



Sub-contract services seamlessly integrate with your business, our skilled team will handle them with precision, ensuring timely delivery and quality.


Let’s Get Your Parts Made Today


How to Order parts?

Get a free quote from a real Engineer, Once we receive your design, Our engineer will review it and send you a quotation as fast as one hour.

Get One Hour Quote

Upload your design or send an email directly to our engineer and get your quotes within as fast as one hour

Start Production

Your parts will get made once your orders confirmed, besides, your will get real-time updated of the production status from our order tracking system

Receive Your Custom Part

After all parts pass qc inspection, they will be well packed from any transportation accidents. Then, your custom parts are delivered straight to your doorstep

Why Choose Our Machining Service

Professional Service

  • An hour response

With our management system, Prolean is able to allocate a real engineer in a few mins, and you can get your quotation and professional design advice as fast as 1 hour.

  • Directly talk to a real engineer

Prolean has around 20 engineers by your side, providing professional advice and DFM feedback that helps optimize your design and save cost.

Quality Assurances

  • ISO 9001 Accredited

Prolean passed the ISO9001 quality system certification, we follow strict manufacturing of DIN-2768-fine and DIN-2768-medium to produce parts with high tolerance and impeccable quality. Learn more

  • Visual inspection and Protection

With consistent visual inspection conditions, we are able to provide high-quality cosmetic surface finishes, all parts are cleaned and well protected

  • Quality Report

Material Certification Hardness,
Dimension Inspection Report,
Salt Spray Inspection Report,
First Article Inspection Report,
CMM Inspection Report

Lead Time Assurance

  • Rapid production scheduling

The intelligent order matching system can quickly and optimally match the order with the power supply network and capacity, and minimize the waiting time.

  • Real-time progress tracking

The Real-time Progress Tracking System gives real-time feedback on the machining progress so that you can truly control the production progress, timely handling of exceptions, and ensure that orders are completed on time.

Experience Engineers

Parts Made

Countries Shipped

Years in Business

Companies Served

Ways to Ensure Perfection

Precision and Accuracy

Our precision machines and state-of-the-art software ensure accuracy and consistency in every product we create. Strict quality control processes guarantee that every product meets our high standards and is exactly to specification.

Skilled Technicians

Our technicians are highly trained and experienced in all aspects of machine processing. Their expertise and attention to detail ensure that every product we produce is of the highest quality.

Advanced Technology

We invest in the latest technology and equipment to provide our customers with the highest quality machine processing services. Our cutting-edge technology guarantees efficiency and effectiveness in all our production processes.

Gallery of parts made by US


Get Your Part Into Production Today !