1. Dezhou Yulanwan Environmental Protection Engineering Co., Ltd. The registered address of Dezhou Yulanwan Environmental Protection Engineering Co., Ltd. is located atNo. 1 Row 1 South of Wangzhuang Industrial Park, Chongde Second Avenue, Songguantun Sub-district Office, Dezhou Economic and Technological Development Zone, Shandong Province. Its business scope includes the production and sale of parking kiosks, simple houses and other products. 2. Nanjing Jintongchuang Traffic Facilities Engineering Co., Ltd. The registered address of Nanjing Jintongchuang Traffic Facilities Engineering Co., Ltd. is located at the floor of Shimenkan 104 10, Qinhuai District, Nanjing. Its business scope includes the production and sales of transportation facilities, parking kiosks, simple houses and other products. 3. Guangzhou Kehong Stainless Steel Products Co., Ltd. Guangzhou Kehong Stainless Steel Products Co., Ltd. is located in Minaminoooji Hengmei Industrial Park 10, Dashijie Village, Panyu District, Guangzhou, and its business scope includes the production and sales of metal structures, prefabricated buildings, parking booths, simple houses and other products. 4. Shanghai Harbor Industrial Co., Ltd.. The registered address of Shanghai Gangting Industrial Co., Ltd. is located at No.280 Shuguang Road, Minhang District, Shanghai, and its business scope includes the production and sales of building decoration materials, metal materials, mechanical equipment and metal kiosks. 5. Wei 'an Port Pavilion Factory in Gangbei District, Guigang City. The registered address of Wei 'an Gangting Factory in Gangbei District of Guigang City is located at No.23, Block B, Jinya Building Materials Professional Wholesale Market, Jingang Avenue 1 173, Gangbei District of Guigang City. Its business scope includes manufacturing, selling and installing steel pavilions and doors.