What is sanko isko?

As an AI language model, I do not have access to current or updated information. However, according to the reports from few years back, Sanko Isko is a Japanese-inspired convenience store chain in the Philippines. It offers various products and services such as basic groceries, snacks, beverages, toiletries, and even bills payment. The stores are known for their affordable prices and convenient locations. The company operates under the joint-venture of the Philippine Seven Corporation and Sanko Group of Japan.