1. government procurement channels: government departments will regularly organize centralized procurement of educational supplies, and schools can participate in bidding procurement through government procurement platforms or related institutions.

2. Professional educational supplies market: There are many professional educational supplies markets or shopping malls in major cities in Shanxi Province, such as the Wuyi Business Circle in Taiyuan City and the educational supplies wholesale market in Jincheng City. Schools can go to these markets to purchase.