Real Case Studies of Mobile Toilets

Real case studies of mobile toilets cover a variety of scenarios and technological applications, as analyzed below:

I. Chengdu Research Base of Giant Panda Breeding: Environmental Protection and Smart Management of New Prefabricated Public Toilets
In September 2026, the Chengdu Research Base of Giant Panda Breeding introduced new prefabricated public toilets that utilize waterless flushing microbial degradation technology. Through the synergistic action of three-stage microbial composite bacteria, efficient decomposition of excreta is achieved, resulting in odor-free conditions and air freshness comparable to that of a shopping mall. These toilets are equipped with a smart management system that displays real-time information on toilet occupancy, ambient temperature and humidity, and equipment status on a smart screen outside the toilets, while also scrolling through cultural and tourism information of the park. Additionally, samples of degraded organic fertilizer demonstrate a “pollution-free, zero-emission” resource recycling model, providing new ideas for environmental management in scenic areas.

II. Yuzixi Scenic Area in Ganzi, Sichuan: Technological Breakthroughs in High-Altitude Environments
In high-altitude scenic areas such as Yuzixi in Ganzi, Sichuan, where traditional infrastructure is difficult to implement, prefabricated public toilets operate stably through technological adaptation. The “Yunhui Universal Internet of Things Operating System” developed by Zhongyunhui Enterprise combines 5G communication with edge computing to dynamically adjust the microbial activity in the degradation tank, maintaining a degradation rate of over 96% for human excreta in extreme environments ranging from -20°C to 40°C. This technology addresses the challenge of microbial dormancy in cold regions, providing a replicable solution for public sanitation facility construction in high-altitude tourist areas.

III. Hebei Expressway Incident: Safety Management Loopholes in the Transportation of Mobile Toilets
On May 11, 2023, a woman in Hebei was using a mobile toilet when the transport vehicle started without checking the compartment, resulting in the toilet being carried onto the expressway. In this incident, the transport vehicle driver was penalized with six demerit points and a fine ranging from 500 to 2,000 yuan for violating regulations on carrying passengers. The management party of the mobile toilet was required to compensate the woman for transportation costs, lost wages, and emotional distress due to their failure to fulfill safety inspection obligations. This case highlights safety management loopholes in the transportation of mobile toilets and emphasizes the importance of operational norms and responsibility allocation.

IV. Heilongjiang Shenglonghua: Anti-Freezing Technological Breakthroughs in Low-Temperature Environments
Heilongjiang Shenglonghua Environmental Protection Technology Development Co., Ltd. has achieved multiple technological breakthroughs in the design of mobile toilets tailored to the extreme winter conditions of Northeast China, including low temperatures, strong winds, and snowfall. The cabin features a reinforced steel structure frame and high-density insulation layer to effectively block external cold. Internally, a smart temperature control system automatically adjusts heating power based on ambient temperature to maintain a comfortable toilet environment. The flushing pipes utilize electric tracing heating technology combined with smart drainage design to prevent freezing and blockage, ensuring normal operation in outdoor environments as cold as -30°C.