Learn language from each other

Learning A Language From Each Other (I capitalized each letter because it's the title of your notebook.)

Hi,

My name is Eddie and i'm from China.

My name is Eddie and I’m from China.

I want to improve my English for that i can make more friends all over the word.

I want to improve my English so I can make more friends from around the world.  (As you can see there are minor changes here.  This just makes the sentence sound the way you’re wanting.)

Hope you guys were interested in,and can i teach you Chinese and can you teach me English or others?  

I hope you guys are interested?  I can teach you Chinese and you can teach me English or another language.  (I wasn’t sure if you were just studying English, but I’m hoping I was able to get the “another language” part correctly as you were wanting.)

I'm here for your reply and you can also add my skype for a conversation if you like.

I’m here for your reply and you can also add me on Skype for a conversation if you like.  (Just a simple change once again!)

Thanks for your time. (No corrections needed.)