Handopleggend kompas  Fabrikanten, distributeurs en leveranciers

The W. Ludolph GmbH & Co. KG production company is characterised by its sophisticated sense of technology and has for the last 165 years been a global player in the fields of nautical and aeronautical instruments. The company's success is based on its sustained strategy of using the innovative power available at the traditional location of Bremerhaven while recognising the growth potentials of international markets.
From small manufactory to major high-tech company.
W. Ludolph GmbH & Co. KG has been redefining quality standards for decades with its 'MADE IN GERMANY' claim and stands for product innovations that ensure the company a technological lead.
Connected knowledge
Targeted cooperations with a wide range of scientific research institutes such as the ISAS in Berlin or the Alfred-Wegener Institute for Polar and Marine Research in Bremerhaven ensure that we will always maintain our knowledge lead.

CHOTEST is a national high-tech enterprise integrating research, development, production and sales. Committed to the design and production of precision measuring instruments and calibration instruments. Since the company established, we insist on technological innovation as the basis of development. With more than15 years of development, our company has accumulated rich practical experience and established a strong professional technical team in optics, mechanics, electronics and information technology, also owns a number of technology patents and software intellectual property rights. We have unique designing and manufacturing advantages in Micro-Nano motion, 3D Reconstruction of Micro-Nano measurement, 3D Form and Surface Analysis of Micro-Nano measurement, Large-scale 3D Measurement, Precision Sensing Probe, Control & of Glass-Scale and Guide Rail etc. That is why we have ability to provide our customers with professional precision measurement solution from nano meter to hundred meter.