@gfron1, this is more Singaporean than Chinese but have you looked at Christopher Tan's books, The Way of Kueh: Savoring & Saving Singapore's Heritage Desserts, Nerd Baker: Extraordinary Recipes, Stories & Baking Adventures from a True Oven Geek and his most recent, Nerd Baker 2: Tales from the Yeast Indies or reached out to him with your query?
He's @thewayofkueh on Instagram and seems like he might be receptive to such a question.
Edited to add that I started following him on IG a couple of years ago, when Elizabeth Haigh's cookbook, Makan, was withdrawn amid charges of plagiarism. I don't recall whether his work was involved or he was just speaking out at the time but he's been interesting to follow.
