So , never fetched these details for this device
if you know the OID for powerstate of Huawei switch, can try below query to see if switch is responding
snmpwalk -v 2c -c snmpstring device ip or hostname oid
example - snmpwalk -v 2c -c public 10.0.0.1 .1.3.6.1.4.1.9.9.13.1.5.1.3