<https://dct.biz/#/schema/Offer/43852305629426>
<http://schema.org/checkoutPageURLTemplate>
"https://dct.biz/cart/add?id=43852305629426&quantity=1"
<https://dct.biz/products/bitmain-antminer-k7-63-5th-nervos-ckb-eaglesong-crypto-asic-miner>