Nuclear Su Valve Technology Co., Ltd. came the news: Millions of kilowatt nuclear power plant key valve products - quick opening and closing isolation valve (nuclear level, nuclear two), electric pressure relief valve and other experts in Suzhou by the recent identification. For a long time, the key valve products of nuclear power plants have been the products of the technical blockade and the high profits made by our country to our country. In December 2003, China Nuclear Su Valve Co., Ltd. and Shanghai Nuclear Engineering Research and Design Institute jointly applied to the Commission of Science, Technology and Industry for National Defense for the project of "Designing and Manufacturing of Key Valves for Nuclear Power Plants" and decided to develop all kinds of key valves for Category 5 nuclear power plants. Break through the international monopoly of these products. The project proposal was approved by experts in Beijing on September 14, 2004 and approved on November 1 of the same year. According to reports, "Suzhou made" key technical indicators of nuclear power plants reached the international level of similar products, but the price of less than 50% of international similar products.