Villa Rehabilitation and Strengthening / villa decoration alterations / villa renovation: special professional contractor qualifications, can undertake: anchorage (anchor) anchoring, sticky slab steel reinforcement member, stick CFRP (board) Paste and column reinforcement plate processing, concrete structure Lossless cut openings removed, reinforcement and crack sealing plugging technology, outsourcing steel beams, old and new concrete interface treatment, increasing section method reinforcement, steel rust, grout reinforcement repair, shotcrete, prestressed technology. Involve a number of areas of civil construction, industrial construction, municipal roads and bridges, water conservancy, electric power engineering.