Too noisy upstairs neighbours, the people buy "seismic building artifact" on the offensive

Mr. Wang's "shock floor artifact" on January 2, 2017 more than 8 PM, who lives in nanjing golden field of central district of ms lu helpless alarm, reason is downstairs neighbor made noise, "seismic building artifact" harm the family couldn't sleep. What is meant by "artifact" shock floor? Modern express reporter discovery, the thing in the online sales, and according to the buyer's comments, a lot of people buy back is to deal with neighbors upstairs (below), to achieve "to the noise making noise...