Multiple one year 60days duration tour agency couldnt make it?

im continuely my enquries about i have two years working permit in malaysia and currently this end of month i plan to go china for visiting my hometown neighbour in china it will take my stay more than a month and im want apply one year multiple with stay 60days duration but the travel agency couldnt make it for me. where shpuld i need to go for specialist agency bevaise due to my working time i could not always travel to consulate myself.