Shanghai Valve Factory was invited to participate in the technical exchange with CNNC Zhongyuan Foreign Engineering Co., Ltd. On the scientific research of K2K3 equipment in Karachi project, the project will adopt the current international advanced ACP1000 technology for design and construction. Shanghai Valve Plant has always been the main equipment supplier of valves in the field of nuclear power. This time, it was invited to conduct a series of scientific research on the valve equipment in the project.