Sechring is a well established importer and manufacturer of intercom systems We have been importing, distributing and servicing Ring-Master Intercom Systems since 1984 As the need for custom built communication systems has grown in the last 5 years, Techring has been designing and manufacturing systems to suit specific client requirements Vandal-proof and flame-proof intercom units have been added to the already wide range of stations available as well as fibre optic and RF links for locations that cannot be accessed with traditional copper cable networks.