Hellow guys, Welcome to my website, and you are watching Системы централизованного теплоснабжения. Онлайн-конференция «Данфосс». and this vIdeo is uploaded by Ридан. Тепловая автоматика at 2021-07-07T15:19:03-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.