Zang Chaiyuan sculpts a huabobo, a flower-shaped steamed bun, with scissors. The 25-year-old from Yantai, East China's Shandong province, has managed to turn flour into a gold mine through her ingenious maneuvers that breathe modern elements into "Jiaodong huabobo", a popular traditional food dating back more than 300 years, especially in the province's Jiaodong peninsula. "It's the details that matter," …