US actions

October 2011: The United States solar companies asked to start anti-subsidies and anti-dumping investigation on imported Chinese solar panels.

November 2011: The US decided to start anti-subsidies and anti-dumping probe into imported Chinese solar panels.

March 2012: The US announced preliminary decision to impose punitive anti-subsidies tariffs on imported Chinese solar panels.

May 2012: The US announced preliminary decision to impose punitive anti-dumping tariffs on imported Chinese solar panels.

October 2012: The US Department of Commerce announced final decision to impose punitive anti-subsidies and anti-dumping tariffs on imported Chinese solar panels.

Nov 7, 2012: The US International Trade Commission made the final ruling.

Nov 30, 2012: The US Commerce Department signed the order.

EU actions

July 2012: German solar companies asked to start anti-dumping investigation into imported Chinese solar panels.

September 2012: The EU decided to start anti-dumping probe into imported Chinese solar panels.

September 2012: German solar companies asked to start anti-subsidies investigation into imported Chinese solar panels.

Nov 8, 2012: The EU decided to start anti-subsidies probe into imported Chinese solar panels.

China Daily

Tough road for China solar industry

Solar industry face export challenges

Solar energy faces obstacles abroad and at home

China's solar products exports drop sharply

China's solar panel producers seeking revival