Carbon peaking and carbon neutrality are important goals to deal with climate change, and green hydrogen is an important way to achieve the goal of "double carbon". The main source of green hydrogen is electrolysis of water through green electricity such as wind  and photovoltaic power. ALK technology is the mainstream means to prepare green hydrogen due to its characteristics of high technical maturity and low cost, but ALK has disadvantages such as high energy consumption, low efficiency and poor renewable energy matching. Sino-tech Hydrogen is committed to the core materials of alkaline hydrogen production such as diaphragm and catalyst, providing technical solutions for high safety, low energy consumption, high efficiency, renewable energy adaptation for ALK. Sino-tech Hydrogen is also committed to the development of the next generation of electrolytic cell technology about AEM electrolyzers, with EHYDRO®AEM solutions. AEM electrolyzers combines the advantages of ALK and PEM, and has gradually become an important technology for green hydrogen preparation.