In the context of navigational safety, the Hong Kong Hydrographic Office (HKHO) has taken on a role primarily as provider of nautical information for port users. To achieve this, the HKHO carries out hydrographic surveys continually to gather relevant data which include water depths and seabed nature. Together with other navigational information, up-to-date nautical charts and publications are produced for port users. Bilingual (Chinese and English) paper nautical charts are produced in ... Playlist · Top 50 - Hong Kong · 50 items · 115.4K saves free real time Interactive chart, provides HSI, SSE, hong kong stock, A share, SMA, Bollinger, Volume, turnover, RSI, MACD Hang Seng Index advanced index charts by MarketWatch. View real-time HSI index data and compare to other exchanges and stocks.