Does CNNC have a nuclear submarine valve?

Yes According to the Oriental Fortune Network, CNNC Sufa Technology Industrial Co., Ltd. (CNNC Technology for short) is a technology-based manufacturing enterprise integrating R&D, design, manufacture and sales of industrial valves, providing valve system solutions for industries such as oil, natural gas, oil refining, nuclear power, electric power, utilities, metallurgy, chemical industry, shipbuilding, paper making, medicine and scientific research. On 1997, it was listed on Shenzhen Stock Exchange, becoming the first listed company in the domestic valve industry, China National Nuclear Corporation. The company's products are used in nuclear valve related fields. So CNNC has nuclear submarine valves.