HELP NEEDED - MIN MAXING CYCLONE SLAYER

Hi Guys!

Would appreciate any suggestions to further improve the build:
Gear/Jewels/Skill Trees/Flasks

Path of Building:
https://pastebin.com/CQKVpTjp

Have read other cyclone builds hitting 1m dps; and am curious how to achieve that given that it seems my gear is almost maxed out,

Thanks in advance!