Where does Shuangliu sell second-hand human tricycles?

There is a place to sell second-hand human tricycles in the triangle where Shuangliu Chuanda Road and Bai Cheng Datong Road intersect. The triangle between Shuangliu Chuanda Road and Bai Cheng Datong Road is Shuangliu Baijia Agricultural Products Wholesale Market, which sells second-hand human tricycles. Human tricycles is a bicycle with three wheels, which is equipped with a carriage or a flat plate for carrying people or goods.