Recently, a batch of nuclear power pipe flange fittings manufactured by Shanghai HY Industry Co., Ltd. completed the final testing procedure. All the indicators are in full compliance with the design parameters. They are ready for packing and transported to CGNPC. The nuclear components will be used. CGN’s nuclear power cooperation project in the UK, the installation of the test machine to ensure the design is correct, will be mass-produced, especially the Hastelloy C-276 16-inch and 24-inch large flange, the quality represents the cutting-edge level of China’s superalloy field, the future Mass production in the future will bring lucrative profits to Shanghai HY Industry Co., Ltd.