Disclaimer: Caution should be taken when making purchases and although the information provided gives you some indication of trustworthiness, ultimately we do not and cannot provide assurance that the company is legitimate or should be trusted.

The owner of Itopshop.net is Mr. Robert Tambasco, an Biomedical Engineer for Saint Mary's Hospital in New York. Their website itopshop.net is registered in Alibaba's Aliyun/Ali Cloud. 

Seemed they have a branch in China, headed by Mr. James (james@itop-corp.com)

Did not see a big eCommerce Team.