Aotai is the patent holder of domestic soft-switching welding machine! China is the largest manufacturer of industrial inverter welding machines! The only welding machine manufacturer that won the second prize in the State Council! At the same time, it is Shandong Electric Welding Machine Research Center! It is said that the annual sales volume is 250 million! And basically rely on direct sales, rarely set up dealers! Professional for large enterprises and projects! Of course, the price is also very high. It should be regarded as one or two domestic brands (personal opinion)! There are many other brands' such as Chengdu Huayuan' Xionggu' Taiyuan Xingyun' Shanghai Witley and so on!
As for the question of who is more persistent when the sun is high, it should be obvious!