WordPress Evolve theme cannot edit content text.

I cannot edit evolve theme content text. I tried at control panel > setting > language > translate to edit content text. I tried more time to edit text. I still can not edit these word.
Can you tell me how to edit these word?

i want edit my company website homepage text from english to chinese. Or from chinese to english.
My company website: http://www.activtek.com.hk/en/about-activtek/