Group 1 - Chengdu's Qingbaijiang District has introduced innovative measures in engineering construction approval, shifting from "passive approval" to "proactive problem-solving" [1][2] - The Hebei Aotong Electric Power Equipment R&D Manufacturing Base project has a total investment of 500 million yuan, aiming to establish a production, sales, and installation maintenance headquarters in Southwest China [1] - The project has faced complex approval processes, but the introduction of the "Qingbaijiang District Engineering Construction Project Full Process Integrated Application Manual" has streamlined the approval stages into three phases: project initiation, accelerated construction, and completion acceptance [1] Group 2 - Qingbaijiang District has launched the "One Matter Start" joint review and approval service model, integrating the approval efforts of 14 departments, focusing on high-frequency approval matters before project commencement [2] - This model emphasizes "big collaboration" and "big streamlining," resulting in a unified application guide covering over 50 nodes and reducing the average approval time from 65 working days to under 10 working days, achieving an efficiency improvement of 84.6% [2] - Currently, 12 industrial projects have been included in the "One Matter Start" service model, with over 100 application manuals distributed to social investment enterprises, promoting the development of cold chain logistics and new productivity [2]