Sorry but I seems that you are not clear with my point request.
As in the past, I have been requested you go down the cost of PA series and you said that if I match spec of Aerator and Valve same as camel tap you can go down the cost.
But when we received the sample and check we found more point change moreover than Aerator and Valve as explain below which is we think it would effect to the quality after use.
1. Plastic Cap, actually it should keep same as our currently spec for MEIN
2. Connection point between body and screw, we found that your sample sent us is may change the working process since the quality when compare with MEIN in current it's not look like what you send sample. And it's so critical if we go on this way that danger for leakage so short after customer use.
If you understood my point the above, please get back to the report, I'm sure you will more understand what the QC need to explain the point they focus.