Both parents are of China nationality, and their children were born in Ecuador. Does he have China nationality? No green.

Theoretically, both parents are of China nationality, and children can join China nationality with their parents.

However, the child was born in Ecuador and should have an Ecuadorian passport. China does not recognize dual citizenship unless the child voluntarily applies to give up his Ecuadorian passport.

And you need a birth certificate to register in China, but foreign birth certificates are not recognized in China.

If you want to register your child, you may need a very complicated procedure. It is recommended to consult the local police station.