1. Choose according to the compatibility of the raw material and liquid of the emulsification pumpMust be able to pass the conformance test.2. according to the pump output range selectionBefore the end product goes on the market, there is a consumer survey link, and basically, there will be a preliminary recommended usage. According to this usage, the specification of the emulsification how to choose a lotion pump3. Choose according to the final packaging formThe packaging capacity has been confirmed, and then the specifications of the emulsification pump are selected according to the size of the packaging capacity and the expected number of uses. A bag is generally used 100-300 times.Example 1: The 100ML bottle has been determined, the size of the selected lotion pump can be 1.0ml/time, used about 100 times, or the selected lotion pump capacity can be 0.5ml/time, used about 200 times.Example 2: The 500ML bottle has been confirmed, the selected lotion pump size can be 2.0ml/time, used about 250 times, or the selected lotion pump capacity can be 3.5ml/time, used about 140 times.