Correos Economy is a shipping method provided by "zhong wai yun" logistic company and Correos Spain. This service is faster than China Post Ordinary packet, but you can not get the full tracking info from the internet.
How fast is "Correos Economy"?
1. Normal condition: 20-25days
How to track "Correos Economy" package?
1. Enter your number in Correos Economy tracking site.
2. Check yanwen tracking site
Ps. Corres Economy is only available for goods under 2 kg.