The afternoon of March 12, 2013, Gansu Ray Vow law firm Linxia Economic Development Zone Management Committee invited, in the hall the development zone enterprise service center of all cadres and workers, the CMC, the person in charge of the enterprise to carry out legal lecture.The lecture by the Development Zone set director, deputy director, director, Liu Douwen attended my thunder, Lei Sheng director explained by "labor law", "contract law" and other related content, the legal lecture won applause from local enterprise development zone.