Toshniwal deals with the tested and proven Diffusion Pumps from HSR AG (took over from Balzers AG in 2003) Lichtenstein. This is a 3-stage High Vacuum. These pumps are very efficient and reliable and can be used to convey almost all gases (even reactive gases). The lack of moving parts and superior materials of construction ensures long and reliable service life. HSR’s expertise in this product helps us offer highly customizable pump solutions which are unique to client applications like very strong magnetic fields and tough operating conditions.