1.CO(Certificate of Origin)
CO is signed by ¡¶Regulations of the People's Republic of China on import and export goods country of origin¡·, to make export goods to the countries sign a trade agreement with China enjoy Most-favored-nation tax treatment.

2.Form A(Generalized System of Preferences Certificate of Origin)
Form A is signed by ¡¶GSP certificate of origin of the People's Republic of China visa management approach ¡·by CIQ, to make export goods to preference-giving country enjoy preferential tariff.

3.Certificate of Origin under the ASIA-PACIFIC Trade Agreement
It is signed according to ¡¶Asia-Pacific Countries Trade Agreement¡·, to make some products in Lower taxes listing to enjoy preferential tariff.

4.FTA(Certificate of Origin China-Pakistan)
It is signed according to ¡¶China - Pakistan preferential trade arrangements¡·by CIQ, to make export goods to Pakistan enjoy preferential tariff.

5.FORM E(ASEAN-CHINA Free Trade Area Preferential Tariff Certificate Of Origin)
It is signed according to¡¶ The People's Republic of China and the association of southeast Asian nations framework agreement on comprehensive economic and technical cooperation¡·by CIQ, to make export goods in 10 Asean members enjoy preferential tariff.

6.FORM F(Certificate of Origin Form F for China-Chile FTA)
It is signed according to ¡¶The government of the People's Republic of China and the government of the republic of Chile free trade agreement¡·by CIQ, to make some products in the list  to Chile to enjoy preferential tariff.