Dong A Joint Stock Company was established in 2003, and after more than 20 years of establishment and development, we are proud to be the first private company pioneering in the field of Caustic Soda-Chlorine production in Vietnam. With the goal of meeting the domestic demand for chemicals in the Caustic Soda-Chlorine industry and gradually replacing imported chemical products, helping the domestic supply market to be stable, not much dependent on the World's situation. Each stage of Dong A's development is always associated with investment in modern and advanced production lines to improve productivity and product quality.We currently operate a 50,000m2 factory with 400 workers employed in three continuous shifts. In 2019, we invested in ion-exchange membrane electrolysis technology, which increased our plant's capacity to produce 20,000 tons of concentrated caustic soda per year. Producing PAC powder 30% and HCl acid 35%. We plan to expand the factory's capacity to 40,000 tons of concentrated caustic soda per year by 2023. Dong A has become a trusted partner of many businesses in industrial production such as paper manufacturing, metallurgy, water treatment, electronics, thermal power, petrochemicals, etc. With key products such as Caustic soda, HCl acid, Javen, liquid chlorine, PAC, and Chlorine. We are proud to be a reliable partner for customers such as Samsung Electronics., Hoa Phat Steel Group, Ton Hoa Sen Group, An Hoa Paper, Masan Group, DMC Petroleum Chemicals, etc. We always invest in R&D to have new products to serve the variable needs of customers and step by step replace imported products.