Collective Agreement - October 16, 2016 - May 31, 2019 (Chinese)Collective Agreement - October 16, 2016 - May 31, 2019 (English) Collective Agreement - June 4, 2014 - June 3, 2016 (Chinese)Collective Agreement - June 4, 2014 - June 3, 2016 (English)Collective Agreement - June 4, 2012 - June 3, 2014 (English)Collective Agreement - June 4, 2012 - June 3, 2014 (Chinese)CONTRACT HIGHLIGHTS (CHINESE) ARBITRATION AWARD, JUNE 4, 2012