Ventilation importer for ventilation - Metals–Iron–Steel

we are looking for a manufacturer to make round stainless steel 316 duct and fitting flanged or with coupling of high airtightness In the link below you will find the drgs. The fume exhaust hood are 7 and the ducts are in orange color. There are a few lines for telescopic arms as well! In the link below you will find the drgs. The fume exhaust hood are 7 and the ducts are in orange color. There are a few lines for telescopic arms as well! Should you need thew drgs in ACAD, tell us what version are you using to send them. The straight lengths can 1,2 or 3 m to suit the installation with minimum joints. the jointing system can be flange+gaskets +bolts too!