According to a report published in Chirp Maritime, pilotage waters in the Western Port of SHENZHEN are very congested with traffic, especially from Black Point to the Precautionary Area.
There are three main fairways approaching Western Port; there is no central buoy; no Traffic Separation Schemes in the fairway and the width of navigable waters is restricted. In addition, these waters fall within two separate administrations and involve pilots from both Shenzhen and Hong Kong SAR.
Careful...
http://mfame.guru/pas-in-western-port-of-shenzhen-navigating-and-manoeuvring-a-ship-from-pb-area/