For five years, Mr. Li, a taxi driver in the Chinese city of Chongqing, has been developing underwear cleaning machine and now Mr Li has had a patent awarded to him by the Chinese Government for his underwear washing machine.
The washing machine costs less than $1,000 US (£639) to build and will wash pairs of underwear individually in under a minute using a piston mechanism. The mechanism, which works like a hand operated electric generator, requires only water, washing powder and a manual spin to get undergarments clean.
While this may seem onerous to us in the West for Chinese people, it may be the answer to a particular problem as, traditionally in China, underwear is washed separately from other clothing, out of conservative principles as it is not considered to be acceptable to wash underwear with other clothing or in the same machine.