CE
Britain patent
Europe patent
American patent
American patent
more than 30 patents in China
Australian patent
Earned Gold award in the tenth international invention exhibition in 2018
We issued the Industrial standard for this automatic flood barrier
passed the assessment of national Construction and Technology Institution
passed the assessment of national Construction and Technology Institution
Passed the Scientific results assessment of National Civil Air defence Office
Passed the Scientific results assessment of National Civil Air defence Office
Passed the test by Jiangsu Quality Test Center
Passed the test by Jiangsu Quality Test Center