metalworking factory. manufacturing of pipes and equipment parts for air ventilation and condition systems

air alloy and circular coil condition construction cutting equipment fabrication factory feeds folding for galvanization galvanized heavy industrial industry iron ironworks labour machine machinery making manufacturing material metal metallic metalroll metalwork metalworking packaging parts pipe pipes pipework plant plate processed product production raw roll roller round sheet sheets silver stack stacked stainless steel stock surface systems technology tube tubes ventilation warehouse work workshop zinc