Hukou Longjishun Sanitation Services Co., Ltd. was established on December 22, 2017, with a registered capital of 13.41 million yuan. The legal representative: Pi Yunlong, the main business: cleaning services; landscaping projects; urban road cleaning and cleaning services; And road lighting engineering professional contracting; installation and maintenance of municipal public works; earth and stone works; communication engineering construction; investment in municipal projects; services other than "Four Harms"; development of environmental protection technology; operation and maintenance of environmental protection facilities; cleaning of river water surface; Digital city management information technology services; computer software, information system software development and sales; information system design, integration, operation and maintenance; information technology consulting; integrated circuit design, research and development.