According to the investigation of enterprises, the direct sales department of Du Yu of Yuncheng Xitai Fireworks and Firecrackers Co., Ltd. was established on February 28th, 2006, and its registered place is No.41,East Building, Zone 3, Du Yu Market, specializing in fireworks and firecrackers.

Fireworks and firecrackers are inflammable and explosive dangerous goods with pyrotechnics as the main raw materials, which produce light, sound, color, shape and smoke through burning or explosion after ignition.