Yes Mudanjiang Aojiaolong Supermarket is a large supermarket chain in Mudanjiang. By the end of 65438+February 26th, 2022, this supermarket sold printing paper. Printing paper refers to a kind of paper used to print and copy documents. Specifications are A0, A 1, A2, B 1, B2, A4, A5, etc. A4 paper, which is commonly used, is widely used in examination papers.