NIU N type certificate

2 type approvals, newest first. The number is in field 24 of the vehicle registration document.

Number	Type	Variant / version	Power	Engine capacity	Fuel	Issued
6NA307	N Cargo Roller	N1S; C1-SQ/1	1.8 kW		Electric	2019
6NA304	N ? Roller	N1S; C1/0	1.8 kW		Electric	2018