Details needed to marry a Chinese girl from Guizhou Province

I am a Malaysia man would like to find out more details on how to marry a Chinese girl from Guizhou province. Which embassy or Consulate should i go with my Chinese wife. What document she needed to bring along to verify by the embassy at China in order for me to bring her back to Malaysia to get marry in Malaysia. Please kindly provide me more details and information required to marry a Chinese lady at age 43 to/at Malaysia.

Thank you.