کانال تأسیسات - نظام

Sources, news and advice for the engineering system test of mechanical installations, the training of the resources for the engineering system test by engineer Seyyed Mostafa Moosavi, bug fixing group: https://t.me/tasisatnezam_moosavi, monitor group: https://t.me/tasisatnezam_nazer, contact: @tasisatnezam_support