will multiple entry visa allows only for two times or more??

I am planning to travel from India to honkong(stay for 3days) and from honkong to tianjin(stay for 3-5days) and and come back from tianjin to honkong(stay for 14 days) and again i will go from honkong to tianjin(stay for 7days) and again i will travel from tianjin to honkong(stay for 10 days) then i will return back from honkong to India for this business trip which type you suggest me.