CGGC is capable of manufacturing 10,000 t, installing 30,000 t metal structures and manufacturing 5,000 t pressure vessel annual, with comprehensive capability in fabricating and installing metal structures such as large miter gate, plain gate, radial gate, sandwich beam gate, and large-scale trash rack, steel penstock, gantry headstock gear, hydraulic headstock gear and ship lift. CGGC has born the fabrication and installation of mostly metal structures for spillway section of TGP, created a new record of installing 425 t per day, 2500 t per month, and 18,000 t per year.