Where to buy second-hand fiber light marking machine? Are there any after-sales code printers? We have been doing the coding machine business for so many years, and we receive countless business calls every day. From time to time, will we buy second-hand coding machines? Also have to buy second-hand coding machines? I have a chat with such a buyer, and their laser coder is cheap and unrecognizable. I really want to buy a second-hand coder to disassemble and take a look at it. I understand the second-hand fiber laser.  What laser is used in the standard machine? What galvanometer (shock) is used? Perhaps I think that a laser machine is too expensive, and the second-hand thousands of pieces are not obstructed, but professional people know what the center of a laser machine is: scanlab galvanometer IPG MOPA technology SPI and IPG are follow-up Into the technology, but the laser industry in China seems to agree with IPG technology. Therefore, the second-hand laser marking machine is not cheap even if the accessories are changed. The main reason is that the after-sales of the second-hand laser marking machine is a big problem. Without professional after-sales support, a simple small problem will be magnified. Under such circumstances, how can consumers choose a suitable marking machine? ? For your analysis and analysis, first of all, when purchasing a product for the first time, you must stop the simple understanding of the product. Personally think that the object of purchase, the preferred high-profile consumer manufacturers, and then see his technical essentials are as follows: