The Terms of Sale you have agreed to (
https://hashfast.com/checkout/terms-of-sale/ )
In particular:
"(a) Guaranteed Baby Jet Delivery Dates Batch 1. All of the 550 Baby Jet units from Hashfasts first production batch are guaranteed for delivery by
December 31, 2013"
"(b) Guaranteed Baby Jet Delivery Dates Batch 2. All of the 550 Baby Jet units from Hashfasts second production batch are guaranteed for delivery by
February 28, 2014."
You're welcome.

Thank you for misinterpreting the point of that article 3(a). It concerns refunds, complete quote:
3. DELIVERY AND QUANTITIES.
(a) Guaranteed Baby Jet Delivery Dates Batch 1. All of the 550 Baby Jet units from Hashfasts first production batch are guaranteed for delivery by December 31, 2013. If Buyer ordered one or more units of such Baby Jets, and Hashfast does not deliver such units by that date, then Buyer may cancel the undelivered portion of the order at Buyers request and Hashfast will refund the payment for the units that Buyer purchased but did not receive and cancelled. This cancellation and refund is Buyers sole and exclusive remedy for Hashfast failing to deliver by the December 31, 2013 guaranteed delivery date. To avail itself of this remedy, Buyer must cancel the order before such unit(s) are delivered by Hashfast, and in any case before March 31, 2014.
The delivery date, which was part of product description, is end of October. It's the most important specification of the product together with hashrate. HF never denied that.