Group 1 - The third "Yanchang Petroleum Cup" three-on-three basketball league in Shaanxi Province was launched on May 18, with the theme "National Fitness, Sports in Sanqin" [1] - The league is organized by the Shaanxi Provincial Sports Bureau and sponsored by Shaanxi Yanchang Petroleum (Group) Co., Ltd., with support from various provincial departments [1][2] - This year's league features an upgraded event system with five levels: village/community, town/street, county/district, city, and province, divided into eight categories, allowing over 10,000 teams to participate [1] Group 2 - The league aims to create a brand event that is well-known domestically and has international influence, adopting a model that involves government leadership, association management, corporate operation, and social participation [2] - The event will focus on developing sports economy and integrating culture, tourism, and commerce, aiming to combine Shaanxi's intangible cultural heritage with the league [2]