FIFA, 7 Jun (Xinhua)-- this afternoon, Liu Yun, secretary of the Weifang Municipal CPC Committee and chairman of the standing Committee of the Weifang Municipal people's Congress, met with Zhang Nanxun, president of South Korea's SK Zhixin Co., Ltd., and his party at the Fuhua Hotel. After the meeting, Liu Yun and Zhang Nanxun jointly attended the signing ceremony of technical cooperation between South Korea's SK Zhixin Co., Ltd. and Yaxing Chemical PVDC.