Writing is the output of the brain after full processing of the input information. Good Mandarin Chinese writing skills should be the last stage of your Chinese language learning.
To successfully improve your Mandarin Chinese writing skills, you would have to follow the next steps:
INCREASE THE INPUT OF CHINESE MATERIALS WITH GOOD QUALITY
SET A HIGH SCREENING CRITERION FOR THE CHINESE INPUT MATERIALS
INPUT IN A MORE EFFICIENT WAY
SET UP THE CONNECTION BETWEEN THE OBTAINED KNOWLEDGE AND NEW THINGS AND REMAIN CRITICAL THINKING.
TRY TO WRITE IN HIGH FREQUENCY AND INSIST ON WRITING
LEARN TO WRITE BOTH STORIES AND OPINIONS