Alestra, S.A. de C.V.

From the early 1940’s Johnson Test Papers have been manufacturing a variety of pH indicator and test papers in the United Kingdom providing an accurate, reliable, easy to use and cost effective method. Johnson Test Papers are distributed and widely u

TESIUM plans, constructs, services and optimizes process plants and associated plant infrastructure. Our engineers support you from the first idea, through the entire project realisation, to the commissioning. With their practical expertise, our expe