Deman Maschinenbauteile


Got a question? Need an answer fast? The following is a listing of the frequently asked questions.


About Service

Delivering components for your production.

We are not only a manufacturer of custom parts, but also can help our customers to source for aftermarket parts.

Based in industrialised Bielefeld, we are your point of contact for all of Europe when it comes to:

mechanical processing, CNC machining, CNC milling, CNC turning, CNC bending, sheet metal cutting, 3d printing, thermoforming molding, rotational molding, blow molding, compression molding, injection molding and extrusion molding. As well as OEM parts, custom spare parts, and following aftermarket parts: ball bearings, toothed belts and toothed belt wheels, pneumatics, threaded spindles, hollow-shaft drives, aluminium and steel mould casting, gears, rubber rollers…. just a small excerpt of products and services that we offer.

Call Center

Give us a call for more information or business inquiry.

+49 (0) 5205 307340-1

Click “Inquiry” button in the top menu or send us an email.

We will send you a quote during 24 hours.

We can deliver with cargo train, air freight and sea freight.

You can contact us per email or give us a call.

Why Choose Us

Industrial components from one source.

Deman – your ultimate supplier for all custom & aftermarket parts, with almost unlimited capacities and with years of experience.


We have hundreds of manufacturing partners with thousands of cooperation cases.


More than 10 years of experience in custom parts manufacturing and machine building.


Our target is to provide custom parts with fair prices and on-time delivery.


We give feedback to our customers on all stages of custom parts production and delivery.


All custom parts are produced in China, and undergo German standard quality control before delivery.


Due to international presence, we can provide best service in OEM parts supplies for all industries.


As a Online Manufacturer, we produce all parts for certain customers.


We never disclose the clients information to our manufacturing partners.

24/7 Support

Our customer support team is always available for you.

Let's start production of your custom parts right now!

Watch our short explainer or click the button below to send your inquiry directly, and receive a quotation during next 24 hours.


Submit your details below and we will respond to your inquiry within 24 hours.