On May 8, 2010, mayor zhang jing of wendeng city, accompanied by mayor hou shichao of rongcheng city and director zhang guangqiang of shidao management district, visited and guided the company.

On May 10, 2010, zhao xidian, vice mayor of weihai city, accompanied by wang xuewen, party secretary of rongcheng city, mayor wang huanmeng, director of shidao management district zhang guangqiang and leaders of relevant municipal and district departments, came to the company for field investigation and guidance.

On May 11, 2010, secretary general yao of weihai municipal government and leaders of relevant departments directly under weihai municipal government, accompanied by zhang jianhua, deputy director of shidao management district, came to visit and investigate the company.

On May 17, 2010, wang peiting, party secretary of weihai city, accompanied by wang xuewen, party secretary of rongcheng city, wang huanmeng, mayor of rongcheng city, zhang guangqiang, director of shidao management district and leaders of relevant municipal and district departments, came to the company to guide the work.