What Style is This?

[MightyB]

https://www.youtube.com/watch?v=fBlvkVT_HLk

[Cataphract]

Looks like Sifu Leung Daiyau of Hung Kuen

https://www.youtube.com/watch?v=eXfBiJysvTs

[YouKnowWho]

It's not a style. It's just Sanda/Sanshou. It's basic boxing skill such as jab, jab, cross, cross, ...