Two types of Certificate of Origin
One is CO （ Certificate of Origin), which means that the product is of origin in China.
The other is a preferential certificate of origin issued by the local government.
According to the country, the format of the certificate of origin is also different.
The attachment is Certificate of origin from Peru and China. Peruvian customers can reduce import tariffs after importing products.
Dry ice production certificate, please check: http://www.mgcball.com/Certification/