1. SF Express is a domestic express logistics integrated service provider, headquartered in Shenzhen. After years of development, it has initially established the ability to provide customers with integrated integrated logistics solutions, not only providing logistics services at the distribution end, but also extending to the production, supply, sales and distribution links at the front end of the value chain, starting from consumer demand.

2. ZTO Express Co., Ltd. was established in Shanghai on May 8, 22. It is a large group company integrating express delivery, logistics and other businesses, with the registered trademark "Zhongtong?" 、“zto?” .

3. YTO Express, registered on April 14, 2, is a private limited liability company belonging to the postal industry. Its headquarters is located in huaxin town, Qingpu District, Shanghai, with a registered capital of 821.22 million yuan and 1,229 insured persons. It used to be called "Shanghai YTO Express Co., Ltd.".

4. Yunda Express is a national network brand express enterprise integrating express delivery, logistics, e-commerce distribution and warehousing services. Founded in August 1999, Yunda Express is headquartered in Shanghai, China, and its service scope covers 31 provinces (autonomous regions and municipalities) and Hong Kong, Macao and Taiwan.