1.ISO internal auditors can be issued by ISO training or certification institutions and recognized in the industry. The authoritative ones are TUV, Norwegian Register of Shipping, Saibao and China Great Wall.

2.ISO internal auditors need technical secondary school education or above, working for three years, and working for five years with college education or above. In fact, these are generally not reviewed during the exam.

3. Domestic foreign training institutions are a little more expensive, about 600-800 yuan, and domestic ones are all in 300-500 yuan. A system, training for 5-7 days, passing the exam is enough.

The content of the exam is the content of ISO standard.

5. The difference between TS and 900 1 is that TS is a special requirement of automobile industry, and 900 1 is applicable to all industries, that is, 900 1 contains16949,9001pays attention to process,1.