案例张某是一家公司的技术人员,自1996年起就在该公司工作。2000年,因公司新设立了一个项目,需要下属公司提供人力帮助。2000年3月,张某被借调到上级公司工作。两年后,因为项目完成,张某又回到原来的公司工作。2006年,张某的劳动合同到期,公司向其发出了续订两年劳动合同的通知书。但张某认为自己在该公司已工作期限满10 Case Zhang is a company’s technical staff, working in the company since 1996. In 2000, a new project was set up by the company, which required subordinate companies to provide manpower assistance. In March 2000, Zhang was seconded to a higher level company. Two years later, because the project is completed, Zhang back to the original company work. In 2006, Zhang’s labor contract expired, the company issued a notice to renew two-year labor contract. However, Zhang believes he has been working in the company for over 10 years