Obtained the invention patent certificate of the State Intellectual Property Office ; Obtained the invention patent certificate of the State Intellectual Property Office obtained the invention patent certificate of the State Intellectual Property Office
“ZL201110078878.3” “ZL200810179270.8” “ZL200410038313.2”
Obtained the invention patent certificate of "Sports paving material ZL02100281.9" Obtained the invention of "plastic runway construction method ZL02100282.7" patent certificate