Group 1 - The core viewpoint of the article highlights that Guanggang Gas has provided insights into the characteristics of electronic bulk onsite gas production projects, emphasizing their long contract periods and stable cash flows [1] - The typical cooperation cycle for these projects is around 15 years, which is consistent with industry practices [1] - The specific payback period for each project may vary based on factors such as investment scale, customer gas load, gas pricing, and cost structure [1]