The emergence and use of welding positioners have become irreplaceable equipment in the market. Both performance and operating efficiency are very good and guaranteed. They have become one of the indispensable equipment in the manufacturing industry, thus driving many manufacturers to engage in production and sales. How to compare the quality and performance of welding positioners, what are the precautions and relevant basis, let’s briefly summarize them. Once the purchase is made incorrectly, the value of use will be lost and Meaning. For quality, a very simple element is to compare whether the quality inspection certificate exists. Only if the test is qualified and all indicators and coefficients are relatively good, it is the basic object that can be used for a long time. Three-legged centrifuge manufacturers and companies, many informal institutions of welding positioners, in order to control funds, will rely on materials with substandard performance to produce, resulting in the operating cycle and environmental adaptability of the welding positioner, which are very poor and unguaranteed.