In fact, these labels only distinguish the foundry:
H is made by Honglin. It is said that this company is the second largest manufacturer of external signal line components in the world.
LX is Luxshare. Many people may have heard that in the past, it was transferred to Apple through Foxconn, but now it is directly OEM Apple products without Foxconn, and the quality should be good.
NB is Ningbo Bolude, and it is also a cable supplier of many big brands.