| Board type air shaft introducing foreign advanced production equipment and fabrication technology, using imported airbag, shaft head for the high quality steel products with nigrescence process, attrib wattle using excellent aluminum and hard oxide, use convenient and long operate life. When using, match with our company’s professional configuration of the aerate gun filling gas for the nozzle jet, to make the shaft of off-axle apperance uniform expansion, thereby lock nitrogen-treated barrel, when unloading, press on deflated mouth to deflated, then nitrogen-treated barrel can be unloaded. |
