i want to travel from hangzhou airport to yiwu shidai hotel

me and my brother want to travel from hangzhou airport to the shidai hotel - i will reach hangzhou airport from tianjin at 9.50pm by xiamen airlines flight no MF8146 on 27th night... then we want to travel directly to hidai hotel...pl guide us how to get there..will we get direct taxi ? what will be the cost ?? is it safe travelling that time of night ??? please confirm