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keyu company focuses on carrying out industrial circuit board repair training, inverter repair training, servo drive repair training, and has developed and recorded series of maintenance videos such as inverter repair videos, circuit board repair videos, elevator circuit board repair videos, etc., and compiled a series of maintenance videos such as learning inverter repair, tongli elevator inverter principles and repairs, and practical industrial circuit board repair technology. it also launched the training policies of "free video tutorial", "free trial on site", "until you learn", and "free technical support for 3 years".
jiele https://m.tb.cn/h.4szloRP beijing ￥qI2UXUu3Zkj￥/
2021-05-29 10:38:24
