most of ur plates and cups cannot leh brother... u have to try and move the lights closer to beat off the harshness of the shadows... well since u said product shot... and the subjects happen to be something that i'm familiar working with(heh heh, i clean dishes for a living...)...
ur product must be well lit and so much harsh shadows on the sides of it will only 'diminish' ur product.
unless it is a conceptual product shot where u can play afool with the lightings and set-ups, which in this case plainly isn't. thus........
bring the lights up closer and shine onto the darken areas of the plates and tea cups. and yes, the reflection looks nice but not effective in product shots.