久久欧美精品一区,欧美区在线,日韩在线高清视频,成人免费视频网站在线看,91一级片,欧美做爰露性器50部,亚洲一区导航

The Company newly obtained 10 technical patents

The Company obtained the authorization of 7 utility model patents, 2 integrated circuit layout patents and 1 invention patent in 2015.