Which area is Yiwu's self-packaging?

Yiwu international trade city four districts. According to Baidu map, Yiwu self-sealed bag shop is located in the four districts of Yiwu International Trade City, mainly engaged in express bags, self-sealed bags, zipper bags, luggage, plastic packaging products and so on. China Yiwu International Trade City is a modern, international and information-based commodity trading market.