OMNI offer several kinds of vacuum pump as your working requirement and budget. We suggest you choose Becker brand vacuum pump, which is German brand, or you could choose Tongyou brand vacuum pump if you have enough budget. If you have rather limited budget, but still need vacuum function, Jinqiaotong brand is an option. Following we listed several models for these brands for your option. Please contact sales engineer in case you need lower or high power vacuum pump.