About N&H

We are a full-service supplier with a focus on customer-specific operating units and offer the production of electromechanical assemblies and the procurement of all necessary components.

We support our customers in the realization of their products and produce them economically and in the highest quality.
Individual silicone rubber keypad? A plastic housing for your electronic device? A spring-contact magnetic connector with cable assembly or a complete handset? We can do it all.


Our customers benefit from several services such as:

  • Technical support from the first idea to series delivery
  • Optimization of technical specifications for product safety
  • Development of cost reduction options
  • Support in development & design tasks
  • Technical tests and analyzes in the N & H laboratory
  • Professional logistics and customs clearance / consignment warehouse at our company
  • Start-Up advice on product manufacturing

Through highly qualified German and Chinese engineers in our company, we communicate excellently with our customers and supplier, even about complex technical issues. On customer demand, we also can take over entire development and design tasks. A creative and dynamic way of working, as well as tolerance and honesty characterize our cooperation.


All products are manufactured by our long-standing supplier network in Asia. All production plants are certified according to ISO 9001, ISO 14001, TS 16949 and ISO 13845.

Manufacturing according to European quality standards at economical prices is our constant endeavour. With the aim of being an attractive long term business partner, we are constantly expanding our portfolio with new products and technologies.

In addition, we represent some Asian manufacturers and their products exclusively in German-speaking countries.

In our business field NH instrument our portofolio is complemented by resistivity meters from Mitsubishi Chemical.  www.nh-instruments.de  


We are certified according to DIN ISO 9001. In January 2013, we set up a second N&H location in China (Shanghai) to continuously improve our ongoing commitment to quality and service. In addition, we can carry out technical tests and analyzes for our customers in our own laboratory in Willich.



Our customers include well-known German and international companies in the automotive industry, medical technology, telecommunications, industrial automation, building control technology and other industries.

We have had many years of successful cooperation with many customers. You can find some examples at our references >> .

Lower Rhine located company with chinese roots

The roots of our company are in China, where founder and managing director Dipl. Ing. Yine Zhang was born. He successfully completed his studies in China and Germany and works in various German companies and research institutions.

  • In 2001 he founded N & H Technology GmbH in Krefeld in the Ares Niederrhein.
  • Due to the steady growth of the company, the company location was relocated to Willich in 2007.
  • 2012 followed a new construction of the company building in the industrial area Stahlwerk Becker in Willich. The storage area was doubled.
  • In January 2013, we established a second N & H location in China (Shanghai). Our constant demand for quality and service for our customers should be continuously improved and guaranteed.
  • In 2016, Yine Zhang received the “Manager of the Year” award in the Electromechanical category from the Weka Fachmedien Group.
  • In 2017, we received an award from TÜV Rheinland for 15 years of successful certification according to DIN ISO 9001 in the areas of development, logistics and sales.
  • 2020: Expansion of the storage space through an extension building (Start: Summer 2020)

Firmengebäude N&H Technology GmbH

Social Commitment

We see ourselves as part of our society and we want to contribute to their development.
For this reason, we have been actively supporting projects for promoting German-Chinese friendship and cultural exchange for many years.
Therefore we actively support the Yiyuan Foundation of Care and Education (www.yfce.de) and, since 2018, the Wenyuan Chinese School (www.wenyuan.de) in Willich
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