You didn’t insult me. I just wanted to tell you some of the criteria to recognize a genuine chip. But I can never be 100% sure, maybe the Chinese reached a new level in faking leds.
English is not my native language, neither, so welcome to the club.
Here is an example of a knock-off XHP70. It is a chinese 7070 led taken from the Haikelite Q30.
In comparison, these are the real XHP70.2: