I was checking Canon Speedlite Transmitter ST-E3-RT and found out the substitute, Youngno YN-E3-RT also does the same for $ 142 (Canon is $ 279)

Read few reviews and found out the things I have to accept for $142 are;

The brand name difference
Made in China vs Made in Japan
Build quality (look and feel of the device, buttons, wheel, etc)
Kind of lose hot shoe fitting

Other than these, reviews says it does the same (or more) when compared canon transmitter. However, I would like to get you "experts" opinion about your experience, specially in YN-E3-RT. I am sure we have many folks who use either one of these transmitters or both or have experience in both.

Appreciate your kind comments. Thanks!