Keywords: Special-Shape Welding Machine , Dual Workplace Side Hook Welding Machine , Single workplace side hook welding machine , Side Hook Automatic Welding Machine , High-Efficiency Double Deck Roll Forming Machine , Electric Rail Roll Kugadzira Machine DIN Rail roll yekugadzira muchina , Yakazara otomatiki yekuchengetedza bhokisi danda roll kugadzira muchina , Otomatiki saizi inoshandura yekuchengetera danda roll yekugadzira muchina une auto kupeta uye kusanganisa system , Otomatiki stack padenga drip edge roll kugadzira muchina wakakwira kumhanya ,