我公司11项实用新型专利获国家知识产权局批准。专利号分别为:ZL 2013 2 0256051.1 ; ZL 2013 2 0253922.4 ; ZL 2013 2 0253926.2 ; ZL 2013 2 0253927.7;ZL 2013 2 0253923.9 ;ZL 2013 2 0256499.3 ; ZL 2013 2 0253929.6 ; ZL 2013 2 0253911.6 ; ZL 2013 2 0253928.1 ; ZL 2013 2 0254323.4; ZL 2013 2 0253870.0。