First Technique：
The seal is glued onto the top of the cap. Upon peeling, the sticker cannot be changed and can only be used once, "Kinmen Kaoliang Liquor" and the Anti-counterfeit Watermark is revealed. This exclusive patented technique makes counterfeiting extremely difficult for illegal liquor manufacturers and vendors.
Second Technique
The color of the letters change under different angles of visual inspection. Its advantages include the use of professional technology and rare anti-counterfeiting ink; whilst at the same time, identification is of ease for the consumer.
Third Technique
Central KKL logo : Color-changing ink is used. When viewed under different angles, the logo on the top of the cap displays a range of colors, with the color changing from brown – to orange – to green. Its advantages include the use of professional technology and rare anti-counterfeiting ink; whilst at the same time, identification is of ease for the consumer.
Three Versions of Anti-counterfeit Labels
