Best Sonic Industrial sails six routes between six ports in Hong Kong, mostly Ap Chau, Ma Liu Shui and Sha Tau Kok. From Ap Chau: Ma Liu Shui, Kat O, Tai Shui Hang and Lai Chi Wo. From Ma Liu Shui: Lai Chi Wo. From Sha Tau Kok: Ap Chau, Kat O and Lai Chi Wo.