At present, there are more than 1000 welding machine manufacturing enterprises in China, with the largest production scale and the highest production capacity of welding machines. But most of China's munufacturers don't have their own technology. They have to replicate other manufacturers' technologies to compete at low prices and low margins. There are currently four mainstream technologies:
1. Work MOS transistor (vacuum tube) anti-phase welding machine, by rylin, JIASHI. It has very low cost and very small capacity. Therefore, it is suitable for manual welding, argon arc welding, small current civilian. Many small plants can imitate and imitate.
2. Soft switch inverter welding machine, represented by AOTAI, the inverter frequency is 20KHz and is imitated by many small factories.
3. Thyristor rectifier, represented by panasonic. It's a big part of the market. There are many caves too. But with the development of contravariant and digital technologies, the SCR market is getting smaller and smaller.
4. All digital welding machines, represented by the taiyuan nebula, develop faster and become an extension of the future.
