On May 16th, CCAIA organized a seminar on the preparation of mercury free catalyst technology and economic evaluation report for acetylene-based PVC. The meeting was attended by Zhang Wenlei, President of CCAIA, Vice President Zhang Xin and Vice Secretary General Zhang Shoute, Director Li Qiong, leaders and experts from Xinjiang Zhongtai, Xinjiang Tianye, Chlor Alkali Business Division of Sinochem Group, Shaanxi Beiyuan, Xinfa Group and Shaanxi Jintai Chemical. While Vice President Zhang Xin presided over the meeting and introduced the preparation ideas and framework of the evaluation report, various enterprises had sufficient exchanges and discussions on the drafting of the report. President Zhang Wenlei summarized the meeting and put forward requirements for the next step of the preparation work from three aspects: objectively reflecting the current progress, resolutely safeguarding industry interests, and increasing efforts in mercury free work. Also, a liaison mechanism was established at the meeting, led by Director Li Qiong, to regularly communicate the progress of mercury free catalyst work.