Folding Treadmills from Xiaomi

YESOUL P30 LCD Display Home Gym Folding Treadmill With Pulse Rate Grips Motorized Running Walking Fitness Machine From Xiaomi Youpin

According to Runner's World, the most important quality of a good treadmill is stability. ... Because of the requirements of the folding frame design, most folding treadmills are naturally less stable than non-folding treadmills. (That doesn't mean they aren't stable - it just means that non-folding units are more stable).