Photo taken on Nov 8, 2017 shows cookies made of glutinous rice, sugar, sesame and walnut at a factory in Nantong city, East China's Jiangsu province, Nov 8, 2017. The cookies are traditional snacks popular in Nantong.[Photo/Xinhua]

A cook arranges cookies made of glutinous rice, sugar, sesame and walnut at a factory in Nantong city, East China's Jiangsu province, Nov 8, 2017. The cookies are traditional snacks popular in Nantong.[Photo/Xinhua]

A cook arranges cookies made of glutinous rice, sugar, sesame and walnut at a factory in Nantong city, East China's Jiangsu province, Nov 8, 2017. The cookies are traditional snacks popular in Nantong.[Photo/Xinhua]

A cook prepares to bake cookies made of glutinous rice, sugar, sesame and walnut at a factory in Nantong city, East China's Jiangsu province, Nov 8, 2017. The cookies are traditional snacks popular in Nantong.[Photo/Xinhua]

A cook arranges cookies made of glutinous rice, sugar, sesame and walnut at a factory in Nantong city, East China's Jiangsu province, Nov 8, 2017. The cookies are traditional snacks popular in Nantong.[Photo/Xinhua]

Cooks prepare to bake cookies made of glutinous rice, sugar, sesame and walnut at a factory in Nantong city, East China's Jiangsu province, Nov 8, 2017. The cookies are traditional snacks popular in Nantong.[Photo/Xinhua]