Hello 
I`ve got an expierence with theese guys https://mac-dive.com/forum/viewtopic.php?t=269
http://www.021.tj.cn/home.php?mod=space&uid=461
http://blog.guestline.com/2017/04/how-hospitality-industry-is-embracing.html?showComment=1649243230386#c9715687373535714
 that were mentioned before. 
And I watned to suggest thanks!

AustinHax