Does yours say yong heng on the side? Only one picture from that seller says yong heng. All the other pictures have a blank side. I was led to believe that if it didn't say yong heng on the side of the unit then they were clones and not real yong heng???
You have been misled. Not having anything printed on the side means nothing and if you order enough units from the maker they will print whatever you like on the side. You can tell if it's a Yong Heng made unit by the components. There are subtle differences in the hardware of the ones made by other companies. There are lots of myths about these pumps that seem to grow legs in forums like this one. Here is an example of a genuine YH with a different brand name on the side.
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