como cambio el idioma a español¿
It is only allowed to answer in english. Hope you can translate this:
If you are from Spain, it will be helpful to change language to spanish, but if you are from Latin American, I suggest you to keep english and get chrome google translate from english to spanish. http://goo.gl/w8OehW
For Alibaba english version, the information is higher than Spanish Alibaba.
for change language here: