Is "Hoom Stores" a Trustworthy Online Shop?

The online shop "Hoom Stores" located at www.hoomstores.com can only be reached via email, there is no physical address or a telephone number. "Hoom Stores," if you want me to shop from your online store, please provide me with more information about your website. I will never use my credit card on a website that I know nothing or little about.