Shanghai Thenow Purification Technology Co.,Ltd. Thenow was established in 2005, belonging to Thenow Group(Former name Apureda Group) as the wholly-owned subsidiary. Being a standard maker, Thenow Group is a global specialist in the development and production of filtering systems and solutions with 6 production units. As one of Thenow Group’s production units, Thenow Purification’s business is to provide customers with sustainable best in class air filtration products and services. We mainly focus on manufacturing air filters for industrial dedusting, gas turbine air inlet systems and HVAC systems.