Hi MC,
noch nicht genug verdient
...dann schau mal hier:UltraGuard Water Systems Corporation, formerly Service Systems International, Ltd., is a manufacturer and marketer of ultraviolet disinfection systems for wastewater and potable water. The company operates through its wholly-owned subsidiary UV Systems Technology, Inc. The Company manufactures and markets its UV disinfection system under its registered trademark, Ultra Guard.
UGRD.OB