Our qualified and professionally experienced team in Germany and our competent manufacturing partners in Asia play a significant role in providing best-quality products and services to our customers. It is our foremost policy to ensure that our customers only get the best and operational procedures are continually updated and optimised. Audits are carried out in China through our Quality Management engineers in Willich/Germany and Shanghai/China. Technical Analysis and Tests in our own laboratory in Willich/Germany support our manufacturing partners on Quality issues.

Our Quality Assurance Management is based on four pillars:

1N&H in Willich / Germany is ISO 9001 certified in
technical processing and development, sales and logistics.
2Certification of our manufacturers in Asia according to ISO 9001, ISO 14001, TS 16949 and ISO 13485.
3On-site inspection and quality controls through our N&H Team in Shanghai / China at the manufacturing plants.
4The N&H Team in Nanjing / China undertakes incoming product inspection-controls upon request.


Download ISO 9001 EN Certificate

15 Jahre DIN ISO9001