Germany Puxu vacuum pump, Italy Weite oral center negative pressure suction system. According to the query instrument information network, Germany Puxu vacuum pump and Italy Weite oral center negative pressure suction system all adopt foreign advanced technology, and the parts are all produced abroad, so the products are of good quality and not easy to be damaged. Oral negative pressure suction pump is a new type of gas source generating equipment with high strength aluminum alloy as the main material. It has the characteristics of compact structure, small volume and light weight.