Yes, this oyster sauce is more expensive than many others, but it gives so much more flavor that it is worth it to me.  It has a richness that the others do not have.  It has a meaty flavor.  It has a deep flavor.  If I want to quick throw a stir fry together, I drizzle a tablespoon of this oyster sauce, a tablespoon of a hoisin, and a bit of low salt soy sauce.  It makes a great sauce!