ご好評につき = due to high popularity, due to its popular reception, due to popular demand, etc. 再入荷致しました = we have restocked the item If you mention the item in the sentence: "Due to popular demand, we have restocked [the item]!" Ex. "Due to popular demand, we have restocked our Vintage 1986-Style Bomber Jackets (Black Only)!" "Due to popular demand, we have restocked the Cat-Pattern Wallet!" If you don't mention the item and just want to use the sentence as a header or article title: "Back by popular demand!"