Our company's business scope: 1. Ground and foundation engineering; earthwork excavation and transportation, wellpoint dewatering, concrete pile slope protection, foundation pit shotcrete and anchor slope protection, vibroflotation (gravel or slag) compaction piles, CFG piles, cast-in-place concrete piles, static pressure steel pipe piles (or precast concrete piles). 2. Steel structure fabrication and installation engineering; steel structure additional floors, sightseeing elevator steel structures, spiral staircase steel structures, full steel structures (including steel space frames, billboards, full steel frames, steel arches), main light steel frame structures (including roof trusses, platforms, beams and columns, stairs, profiled sheet enclosures, etc.). 3. Building structure demolition, modification, and reinforcement engineering: 1. Diamond wire saw static demolition, water drill drilling static cutting (hole opening), hydraulic clamp demolition, silent blasting demolition; 2. Bonded steel reinforcement, steel jacketing reinforcement, carbon fiber reinforcement, chemical planting of rebars, chemical anchors, shotcrete reinforcement, joist reinforcement, steel structure reinforcement, foundation reinforcement, steel strand reinforcement, crack repair, bridge, tunnel, public passage, and harbor repair and reinforcement; 3. Brick-concrete structure modification, public building structure modification, structural additional floors. The company specializes in structural demolition and modification, reinforcement, prestressing, steel structure construction, and other projects, integrating technology development, design, construction, and testing. At the same time, the company also develops and introduces various new technologies, new materials, and new equipment for structural modification and reinforcement, continuously improving and strengthening the company's professional construction equipment and construction capabilities. For a long time, with the construction concept of "professional, environmentally friendly, safe, and efficient," advocating a people-oriented management policy, and promoting the business philosophy of repaying society with high-quality services, based in Beijing and facing the whole country, we have undertaken and completed more than 1,000 special construction tasks, with a cumulative reinforcement production value of over hundreds of millions of yuan, covering: industrial plants, civil buildings, roads and bridges,