For HIEX Siam, I attached the mail I sent to K Wang , asking for the plan/policy and I haven't got the direction. We are currently bidding another 3 HIEX . HIEX Silom is going to finalize next week. Therefore,
we seems to be no choice, so we just advance replaced from our buffer (after tried repairing).
However, for the lot we just received today, we will inform them about the warranty period.