the gansu petroleum and chemical industry association’s trade union held a 2014 work conference on march 28. it summarized work in 2013 and signed a responsibility letter for 2014. nan xiaoming, vice-president of bluestar lanzhou’s trade union, and zhang qiufang, the company’s manager, attended the meeting. yang yongke, president of the association, delivered a summary report on the trade union’s work in 2013. ma zhongxue, chairman of the association, made remarks on the signing of the responsibility letter and announced the winners who completed their responsibilities last year. bluestar lanzhou won the second place award. after the meeting, kang haizhen, president of northwest yongxin chemical industry co, led participants on a visit to lanzhou’s yongxin chemical park.