Complex sentence: Thousands of her fans, nationwide, have since followed her lead and so far their donation has exceeded RMB 550,000, a large portion of which has already been used to build water cellars in said region.
Split into simpler sentences: Thousands of her fans, nationwide, have since followed her lead. To date, their donation has exceeded RMB 550,000, a large portion of which has already been used to build water cellars in said region.