The Refine Chemical Plant of Beijing No. 4 Chemical Works subordinated to Beijing Chemical Industry
Group Corporatiom, LTD. It is located at Fangshan District, Beijing.
        The Refine Chemical Plant of Beijing No. 4 Chemical Works takes the production of chemical raw materials,such as metal potassium, potassium superoxide, oxygen generating agent series of products, sodium peroide.There is a 800 MTA potassium plant, a 1000 MTA potassium superoxide plant and a 500 MTA sodium peroxide plant.
         Potassium used for the production of potassium superoxide, preparation of sodium-potassium alloy.
Potassium superoxide used as oxygen generating agent in space navigation, undersea exploration,plateau operation, mine rescue, fire fighting, submarine navigation and medicine and hygiene.
         The Refine Chemical Plant of Beijing No. 4 Chemical Works has rich technology, strong ability of the
developing new products. Wide market in America, Japan, South Africa, Korea, Ukraine etc.