Recently, following expert review organized by the Hebei Provincial Civil Engineering and Architectural Society, eight construction methods submitted by our company were recognized as 2025 Hebei Provincial Engineering Construction Methods. These are:
1. Construction Method for Slurry Preparation and Solid-Liquid Separation Treatment Technology
2. Construction Method for Rotary Drilling Using Casing Alternation Technique to Traverse Thick, Unconsolidated Strata
3. Construction Method for Bored Piles with Permanent Isolation Layer
4. Construction Method for Grouting Inside Reinforced Concrete Shaft Walls of Large-Diameter Engineering Shafts
5. Construction Method for Fabricating Reinforced Concrete Shaft Walls of Large-Diameter Engineering Shafts
6. Construction Method for Hole Cleaning Using Pump-Suction Reverse Circulation in Slurry-Wall Concrete Cast-in-Place Piles
7. Construction Method for Drainage Collection Behind Retaining Walls
8. Construction Method for Rock-Socketed Implanted Piles Using Rotary Drilling
