In May 2019, Shenzhen Luohu District Government Procurement Network announced that Shenzhen Longjishun Industrial Development Co., Ltd. successfully won the bid for the environmental sanitation operation outsourcing project in Huangbei Street, Luohu District, Shenzhen.  After the project is completed, it will improve the city operation management level of Huangbei Street in Luohu District and the quality of the urban landscape, which will help Shenzhen to achieve the goal of "the cleanest city in the country."

Shenzhen, abbreviated as "Shen," also known as Pengcheng, is a sub-provincial city under the jurisdiction of Guangdong Province. It is a city with separate plans, and a mega-city. Shenzhen was established in 1979, and became one of the first special economic zones in 1980, when China declared the establishment of four special zones in that year.  The window of China's reform and opening up and the emerging immigration city created the "Shenzhen Speed" that has attracted worldwide attention. Shenzhen occupies an important position in China's high-tech industry, financial services, foreign trade exports, marine transportation, creative culture, etc.,  It also responds to the critical mission of experimentation and demonstration in China's system innovation and opening up.