Based on the ISO 9000 standard,the QS 9000 standard was formed by three large American automobile firms,Chrysler,Ford and General Motors,after adding some special requirements of auto industries and themselves.

• QS 90 0 0标准是美国福特、克莱斯勒和通用汽车公司在ISO 90 0 0标准的基础上 ,补充了汽车制造业及三大公司的特殊要求形成的。