... mechanical seals (John Crane, Burgmann, ROTEN)- OEM dry gas seal mechanical seals (Gundfos, APV, FRISTAM, Alfa-Laval, SIHI, ... provided by customers- Seal Rings in different materials (SSiC, RBSiC, TC, Ceramic, Carbon) and other seal components- Bushings and shafts ... - Mechanical seal refurbishment and re-engineering dry gas ...