1、全球经济一体化推波助澜
2、企业自身发展的需要
3、劳工标准问题---WTO的一道难题
4、风行欧美的社会责任运动
自由选择职业
不使用强迫、抵债或用契约束缚的劳工，或者是非自愿的监狱劳工。所有工作应当是自愿的，并且员工在合理通知的情况下拥有自由离职的权利。不得要求员工上交政府颁发的身份证、护照或工作许可证作为雇佣的条件。
审核问题：
Question1.1: The facility does not use any type of forced, prison, indentured, or bonded labor.
Question1.2: Are labor contracts signed with the workers where legally required?
Question1.3: The facility assures that its workers are free to enter and exit the facility and housing during their non-work hours except as required by law.
Question1.4: The facility assures that its workers are free to quit their job and leave upon reasonable notice, with no penalty.