案例一:张某1998年以高级技术人员的身份到A公司从事技术工作。几年后被任命为生产技术组组长。2007年12月25日公司与其再次签订了劳动合同,约定岗位为生产部部长,合同期限为2年。2009年12月21日,双方就再次续订劳动合同事宜进行协商。A公司提出再次签订固定期限劳动合同,张某则主张签订无固定期限劳动合同。随后A公司提出如果签订无固定期限劳动合同, Case 1: Zhang in 1998 as a senior technical staff to A company engaged in technical work. A few years later was appointed head of production technology. On December 25, 2007, the Company signed another labor contract with it and agreed that the post should be the Minister of Production with a term of 2 years. On December 21, 2009, both parties held consultations on renewing the labor contract. Company A proposed once again signed a fixed-term labor contract, Zhang Zhang advocated the signing of a fixed-term labor contract. Then company A proposed if the signing of a fixed-term labor contract,