Desalination of seawater requires the removal of salt, and factories usually dump this high concentration of byproduct back into the sea, but this may cause damage to the environment. 　

With the sustained high-speed growth of the national economy, China's membrane industry has also made rapid progress driven by the market. 　

With the rapid development of new energy vehicles, electronic devices, and energy storage technology, the application of lithium in the field of new energy materials has received high attention and is known as the "energy metal of the 21st century" and "white oil".　

Membrane technology is the use of natural or artificially synthesized polymer films driven by external energy potential differences (such as pressure difference, concentration difference, potential difference, temperature difference, etc.) 　

On the morning of May 27, 2024, the leaders of the Haixi Prefectural Party Committee, led by the Secretary of the Haixi Prefectural Party Committee Zhu Xiangdong and the Governor of Haixi Prefectural Qiao Yaqun, visited and discussed the Saite membrane in Zhejiang.