Shaanxi Granfoo Industrial Co., Ltd. is a modern high-tech enterprise. Our company specializes in researching, developing and producing underwater TV, underground TV, and watertight connector. Underwater TV camera monitoring system is a kind of necessary equipment for marine developments, maritime operations and departments of the petroleum and water conservancy, and is the main access to get the clear images on time in the underwater environment at present. Underwater TV camera monitoring system has been widely applied to marine and terrestrial exploration of water resources such as...