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A public announcement has been made regarding the construction project of Xinjiang Yining Fengrong Ruining New Materials Technology Co., Ltd., which aims to produce 2,000 tons per year of electronic-grade phosphine (6N), along with 15,000 tons per year of sodium hypophosphite. The site for this construction is located in the chemical industry zone of Yidong Industrial Park, in the Ili Kazakh Autonomous Prefecture. The project is constructed in two phases. The capacity designed for the first phase is 200 tons per year of electronic-grade phosphine and 1,500 tons per year of sodium hypophosphite; the main construction work includes building a new phosphine production line with a capacity of 200 t/year ； The overall design capacity for the second phase is 1,800 tons per year of electronic-grade phosphine and 13,500 tons per year of sodium hypophosphite; the main construction works include the establishment of 9 new phosphine production lines with a capacity of 200 tons each per year. The total investment for the project is 186.6744 million yuan. In recent years, driven by the global commitment to high-tech industries and the need for industrial upgrading, as well as the rapid development of new projects in the semiconductor and photovoltaic sectors in China, the market demand for phosphine has grown steadily. Phosphines play an irreplaceable role in semiconductor manufacturing due to their excellent chemical stability and reactivity. From chip manufacturing to the packaging of integrated circuits, phosphine compounds, thanks to their unique properties, have provided continuous impetus to the semiconductor industry, enhancing the stability and efficiency of semiconductor devices and thus driving rapid development across the entire technology sector. Industry insiders told Gas Circle that there are currently three production methods for phosphine: the exhaust gas method, the thermal decomposition method, and the synthesis method. Regardless of which method is chosen, purity improvement and risk management remain the most critical aspects.