C.Genuinity identification --- the consumer can verify the genuinity intuitively and accurately.
Windowed security thread: there is a windowed security thread at the left part of the certificate. On the thread, there prints “lenovo” characters.
Watermark: on the windowed security thread, there is a watermark “lenovo” which can be seen in front of light.
Engraved intaglio: margin area of the guarantee card is printed using engrave intaglio forming. There is a obvious unevenness when touching with your hands.
Latent image: there is a latent image at the upper right corner. “genuine” characters can be found in you put it at the same height as your eyes in front of light and tilt it to a certain view angle.
……
D.Difficulty for counterfeiting ---
The above anti-counterfeit technologies, materials and processes are under the state’s exclusive control. It has good exclusivity and is very difficult to counterfeit.
