Complex sentence: The person who initiated the catering business in Tin Hau Mr. Wong, the owner of a Chinese dessert shop, who opened his dessert shop, Ching Ching Dessert (Chinese: 晶晶甜品) twenty years ago after moving to Tin Hau.
Split into simpler sentences: The person who initiates the catering business in Tin Hau is the owner of a Chinese dessert shop, Mr. Wong. He opened his dessert shop, Ching Ching Dessert (Chinese: 晶晶甜品) twenty years ago after he had moved to Tin Hau.