Neftegazcomplex EHZ - Russian producer of Cathodic protection equipment:1. Development and production of equipment for electrochemical protection (ECP):- Cathodic and drainage protection rectifier.- Joint protection units.- Corrossion monitoring subsystems.2. Welding materials and equipment for welding connector to the pipeline:- Welding materials.- Welding kits.- Equipment for capacity welding.3. Technical assistance:- Commissioning and start-up.- Installation supervision.- Warranty, post-warranty maintenance of manufactured equipment4. Electrometric inspection of pipelines:- Acceptance inspection (primary)- Complex inspection- Periodic inspection