As the saying goes, people need to maintain, your car also need maintenance, that ventilation pipes also need maintenance, we look at the ventilation pipe after processing how to keep it!

       To keep the galvanized steel surface smooth and clean, placed on a spacious and dry moisture-proof wood mats, stacked neatly. Stainless steel plate, aluminum plate to lean on the wooden frame, do not overlap, so as not to scratch the surface when scraping, cutting should be used without scratches crossed tool. Operation should be used wood hammer or a rubber hammer hammer, shall not use hammer, so as not to produce rust spots fall hammer.

       Flange materials should be classified code method, open air should be taken to prevent rain, snow measures to reduce the phenomenon of rust. Ventilation ducts should be placed on the formation of no water, spacious space, the code should be based on the system number, neat, reasonable, easy to ship.

       Duct handling loading and unloading should be lightly to prevent damage to finished products.

       Another point is particularly noteworthy in the paint should make the film evenly, no accumulation, leakage coating, wrinkles, bubbles and color mixing and other defects. Ordinary steel plate in the pressure when you must first spray a rust paint to ensure that the bite is not easy to rust. Thin steel plate anti-corrosion paint, according to design implementation.

       Duct processing finished product inspection, should be in accordance with the figure in the trunk pipe, branch pipe system to write the order number and project name, reasonable stacking code is good. Waiting for shipment.