Sichuan Zhongneng Environmental Protection Technology Co., Ltd. is a high-tech enterprise focusing on scientific research, design, production, installation and technical services of “vacuum toilets”. With mature technology and rich design and construction experience, ZNZK has always been at the forefront of research of China’s vacuum toilet system products.
ZNZK has gone on to the largest supplier of vacuum toilet in China. With 500+ installations nationally, ZNZK design engineers and project managers have been involved in a large variety of projects of ……

Mobile Restroom Customization
★ The appearance and color
★ Can customize 2 to 6 seats vacuum toilet
★ Space layout
★ Ceramic or stainless steel materials
★ Toilet bowl or squat pan
Our mobile restroom offers super flexibility for projects since it is highly mobile.
When there is no water inflow and no sewage pipe, 2000 to 3000 flush are possible. The customer can also choose the heating and insulation equipment, and the use environment temperature is -50° to 40°.
Will develop a solution that meets your demands!
Contact us , we are online!ZNZK vacuum toilet greatly performance
Mobile ZNZK vacuum toilet solution
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Why Airplanes and High-Speed Trains Use Vacuum Toilets: The Future of Sustain...Sep-26-2025Have you ever wondered why the toilets on an airplane or a high-speed train sound so different from the ones at home? The distinctive whoosh and powerful suction are not just for show—they are the sound of a vacuum toilet in action. This technology is a cornerstone of modern, sustainable transp...
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The Vanguard of Sustainable Sanitation: A Vacuum for ChangeSep-25-2025In an era defined by a growing emphasis on environmental stewardship and resource efficiency, the sanitation industry is undergoing a transformative shift. At the forefront of this evolution is the vacuum toilet system, a groundbreaking technology that offers a compelling solution to some of th...