You will find us on the Achema 2009 fair in Frankfurt/Main from May 11^th to the 15^th in Hall 9, stand M23 / N24. There, we will present our business in all aspects. Our wide product range in stock: valves and gaskets, according to DIN/ANSI-Standards or custom-made specialities. Get information about our manifold services. Check out our innovative products and solutions. Siekmann Econosto: always worth a visit.