Project. Dehui Co., Ltd. is a professional manufacturer of hydrogen products integrating production, R&D and sales. It is a regular company protected by law. Hydrogen is the most hydrogen gas, consisting of two hydrogen atoms, and its molecular formula is H2. There are many ways to make hydrogen, such as mercury electrolysis. By September 30, 2022, the company released hydrogen as a project for the company to use mercury electrolysis. Of course, water molecule H2o can also extract hydrogen by electrolysis.