Cellyan Biotechnology Co Ltd formerly, Hong Kong Pharma Digital Technology Holdings Ltd operates in two main categories: OTC pharmaceutical cross-border e-commerce supply chain services, conducted through its Hong Kong subsidiary, Joint Cross Border, which it refers to as the Supply Chain Services division, and OTC pharmaceutical cross-border procurement and distribution, conducted through its Hong Kong subsidiary, V-Alliance, which it referred to as the Procurement and Distribution division. Based in Hong Kong, Joint Cross Border has established itself as a provider of third-party supply chain services in Mainland China's OTC pharmaceutical cross-border e-commerce market.