What is your method for choosing a good PMU machine? Here are a few suggestions. First of all, from the design of the pen, it must be ergonomic. A pen that is too heavy or too light will affect the operation, and the sound of the motor must be small, so that the customer mood will be relaxed; secondly It is the use of needles. Whether needle types are required varies from person to person, but whether the needles are sterilized, sharp, and stable is the most important thing, so be sure to test the samples before purchasing in large quantities; finally, see if you need a panel. Now there are wireless, single pen, with panel on the market, it depends on what style is popular in your market, you can choose. Our styles are in the middle and high end. What style do you want to customize? There are many choices!