Founded in 2014, Yonghe (Tianjin) Biotechnology Development Co., Ltd. is located in Tianjin, China. Since its establishment, we have been committed to the research and development and production of air purification and sterilization disinfection products technologies. We have research and development centers in Shanghai and Shenzhen, and two assembly plants in Suzhou and Dongguan. We have independently developed and applied for a number of patented technologies in the field of air purification and disinfection, especially in terms of long-term sustained-release technologies. At present, our product line is mainly divided into two series: formaldehyde purification and sterilization and deodorization. We can also carry out customized development according to customer&#39s needs to provide customers with perfect products and solutions.