and this is just a publized list: http://www.ipv6.org/v6-www.html. 规模最大领跑世界?

国产核心路由器的采用率达到８０％, How about the other 20%? Actually this is the killer part. Internet speed depends a lot on router speed and switch speed. As far as I know Hua Wei is pretty good at (upper-)mid to low level router and switch, but not the top ones.