So far, the company has 14 patents of utility model authorized certificate, one invention patent through the reality is authorized.
目前为止，公司已拥有14项实用新型专利授权证书，1项发明专利通过实审即将授权。
2
Comparing with existing detection device, the invention can detect two kinds of certificates (or both sides of a certificate), and possesses features of easy of use and reliable detecting result.