I have a second batch order.... Your opinion... Have I to request a refund ?

Taped Out in March:
https://www.kncminer.com/news/news-78TSMC 20nm cycle time (masks creation) is 4-5 months. Samples in July / August. Miners probably in August / September
Spondoolies-Tech, I'll suggest again to you, that, as an official representative of a commercial competitor you would be better served staying in your own thread and conducting yourselves more professionally. You are not doing yourselves any favours with this line of attack.