SHANGHAI, Feb 17 (SMM) - SMM was informed that Xinjiang Joinworld Co., Ltd. successfully developed ultra-high purity aluminium above 6N (99.9999%) grade, which filled the domestic gap. The ultra-high purity aluminium above 6N grade provides a stable and reliable aluminium for the domestic development of high-end semiconductor technology, and it helps to achieve a historic breakthrough in ultra-high purity aluminium purification technology. The successful development of 6N ultra-high purity aluminium by Xinjiang Joinworld is of great significance to promote the localization of high-end semiconductor chip materials, which indicates that the purification technology of ultra-high pure aluminium in Xinjiang Joinworld is in the world’s leading position. SMM will follow the progress of China’s high purity aluminium industry.



