High quality of Mini vacuum This kind of pump is an equipment for evacuating air from ... or served as the forepump, process pump or titanium pump of booster pump, diffusion pump, and molecular pump. Ⅰ Features1. Small size, light weight ... an improved pump (Third generation pump). Ⅱ ApplicationsThe pumps are also used in making electrical vacuum cases, vacuum jointing, printing, vacuum forming. It ...