Bought Duolith SD1 Ultra a year ago. No problem. The device is stable, like a Swiss watch. Effective and practical. But there is a minus. You need to be trained to work with the device. Thanks to Nikolai Ivanovich for the free 3-day training.
Bought Duolith SD1 Ultra a year ago. No problem. The device is stable, like a Swiss watch. Effective and practical. But there is a minus. You need to be trained to work with the device. Thanks to Nikolai Ivanovich for the free 3-day training.