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OEM Robot Chassis Platform Robotic Manufactuer Product Development Customing Product Manufacturing Engineering

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If you have any question or other order, please contact us winnie (at) and WeChat: winnie0852.

We will reply you as soon as possible.

Design to manufactruing of Custom products.

Western managed factory in China.

Over 14 Years of experience in product development and manu facturing.

Are you looking for a one stop partner for production in China?

Check out our options and our service to see what we can do for you.

DAGU is recognized by its customer as a trust worthy partner for product development,custom product manufacturing and standard solutions for the industrial market and consumer market.

Product Engineering

Over 14 years of experience in product engineering as well as 3D modelling, CAD and PCB circuit board design. Assembly design and Technical drawings.

Design to manufacturing. Our main focus is product housings in plastic and Aluminum with integration of components as well as technical engineering of industrial parts and products.

Plastic Injection Molding

We make plastic injection molds and plastic parts. We can provide excellent service to our customers. Produce products according to customer requirements, ensuring product quality.

Custom Manufacturing

In house we do metal processing and critical machining such as driling, reaming, tapping. We have great sub contractors for Extrusion, milling and turning as well as sheet metal parts. Parts made of aluminum, steel, stainless steel, brass with a variety of surface treatments and finishes such as powder coating and anodizing.

Added Value-Assembling

One of our main services is assembling of sets and complete products. We produce and source all the necessary components. We follow strictly the Bil of Material and Assembling Instructions. Quality control will be performed at different stagbes of the production process.


​We are aware that RoHS and REACH are more and more important. We follow the regulations where possible. CE, FCC, TUV, SGS certification or Testing will be done in a professional way when requested.

Assembling of sets and complete products

Our skilled team can assemble very simple sets as well as more complex products. Our workers are flexible and hands-on. That is waht we need to produce good quality products for our world wide customers. We handle a variety of products from mechanical assembling to high tech electronic devices.

Design to manufacturing

Dagu is a product engineering company, specialized in the development and manufacturing of parts, sourcing of components and assembling of complete products in house. We have the experience to produce medium size series. We design for manufacturing. That means that we have a very technical end functional way of designing products. Our no nonsense approach enables us to produce and ship out goods in a tight time frame. Complete products shipped out in the final packing. We assist your in organizing the shipping either by express or by boat.


Requests are usually answered withing 3-5 working days depending on the complexity of the request.

What do we need:

  • Technical drawings with dimensions and tolerances
  • 3D CAD file in STP or IGS format
  • Weight of the product
  • Desired quantity
  • For plastic injection: Material:ABS, PC, PP, PA, HIPS, POM, PC-ABS, PVDF, PE, HDPE, PA6.6, Glass fibre…
  • For metal Parts: Steel, Stainless steel, aluminum, brass…
  • Desired finish and quality of the parts: polished, sandblasted, texture, powder coating, silk screening, anodizing, zinc plating,…
  • For Assemblies: BOM, Datasheets, assembling instructions,…
  • For engineering: A detailed description of the requested part or product, functionalities, etc

​We will not make an offer based on a sketch, handmade drawing or photo

For assemblies and Engineering jobs we will usually have a meeting with the customer in order to determine all the details of the request. To chose production techniques, amterials etc.

We always think with our customers to find the best solutions. We suggest to involve us from the start of a new product development.

About us

Dagu presents itself as a trustworthy and reliable partner for product engineering and manufacturing of parts, products and devices. We has compact cooperation with Arexx Engineering (Holland), Conrad Electronic GmbH (Germany), DLR (Germany), and Elekit Japan Co., Ltd. (Japan) regarding the R&D and distribution of Robot Kits, Electronic Gadgets, and other Educaional items for over 5 years. This combination is the perfect match for those customers who want to focus on what they do best : Think new and innovative products and bring them to market. We are keeping working hard on such products lines to make our life better with our unique technology and teamwork.

We offer the experience of Western engineering combined with Chinese flexible and low cost manufacturing and assembling. Our goal is to offer a one-stop service from 3D design over manufacturing to Shipping. We deliver parts and devices to our customers world wide.

Usually our customers are innovative medium sized companies active in niche markets as well as start-ups. We are a good partner because these customers only have to talk to 1 supplier during the entire trajectory of a product development.

Shipping & Payment


We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.


Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.


Your satisfaction is our #1 priority. Therefore, if you’d like a refund you can request one no matter the reason.

If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.
If you received the wrong item you can request a refund or a reshipment.
If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of Discovery Market (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

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