Your address is incomplete and there is no street name. The 17 residential buildings in Fu 'an are all built in the foothills of Maanshan. The specific writing should be:

2 Hengxin Street, Maanshan, Hong Kong

Fuan Garden/Room J, 5th Floor, Block KLOC-0/4

Chevalier Garden/Block KLOC-0/4, Room J, 5th floor.

No.2 Hengxin Street, Maanshan, Hong Kong.