All our products are CE & RoHS certified for Europe & FC for the USA. We’re not interested in selling the cheapest products as safety is often compromised. Our products are also subjected to numerous quality tests and inspections during the manufacturing process. For e-scooters these include: Incoming material inspection Semi-finished product inspection Ball pressure test of shell material PCBA test Button life test Battery charge and discharge test Battery high temperature resistance test Wire bending test Motor speed test Magnetic flux test of magnetic sheet Ageing test Packaging vibration test Drop test