Waterless toilets have been installed outside China Hi-tech Fair Exhibition Centre to showcase a technology with great market potential in China, reports Shenzhen Commercial Daily.

The mobile toilets - similar to those used in most aircraft - are designed by Shenzhen Longcheng Hi-tech Environmental Protection Co.

Almost no water is needed as waste is flushed into treatment tanks through a "pressurized foam sucking" facility.

The company won the right to operate the mobile toilets outside the exhibition centre through public bidding, which is like having a long-term display stall, said Zhang She, a director.

With serious water shortage in many parts of the country, China has a huge market for waterless toilets, he added.

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