These are already starting to make blackouts less common elsewhere in China and hold the promise of eventually letting the electricity supply catch up with demand even here in the Pearl River Delta , which rivals the Yangtze River Delta around Shanghai as one of China 's two main export powerhouses .
China
Shanghai
/location/location/contains
China
Shanghai
/location/country/administrative_divisions
China
Shanghai
/location/country/administrative_divisions
Shanghai
China
/location/administrative_division/country
Shanghai
China
/location/administrative_division/country
Shanghai
Yangtze River Delta
/location/location/contains
China
Shanghai
/location/location/contains
LOCATION
China
LOCATION
Pearl River Delta
ORGANIZATION
Yangtze River Delta
LOCATION
Shanghai
LOCATION
China