This ancient city is full of industrial avenues. Hong Sean Renewable Resources Recycling Station in the Old Town of Chengmai County was established on February 2, 2002165438, and its registered place is located in the courtyard of the former ethnic school of Yegong Avenue in the Old Town of Chengmai County. Its business scope includes licensed projects: urban domestic waste management services; Urban construction waste disposal (removal); Kitchen waste disposal; Import and export of goods.