Hello Sir, I'm very glad to hear from you, you are great, very good, know you really happy, hope
 to keep in touch. Today just see the letter, reply late, please forgive me.

很高兴认识你

嗨，你好，你在马来西亚？这里是亚热带气候吗？

Hi

from your looks, you must be a trustworthy man. 

Hello, how are you :-)