So far, We have owned six national invention patents, ten practical new patents , two appearance design patents and eleven applicable invention patents.
    We also have developed one type of independently- innovated product ,one type of high technology product and one type of new patented product in Jiangsu Province as well as one type of high technology product and one type of independently- innovated product in Nanjing.
    Now there are three types among the above products have been recognized as scientific and technological achievements by Nanjing Scientific bureau. Two of the three are both in the leading position home and aboard and filling the domestic market gap.