In 2004, Purafil USA awarded Newell Hua Dong International (NHDI) a huge contract to produce Environmental Odour Control Equipment. This was the largest contract ever let by the Hong Kong Government.
Construction began in NHDI's Johor Bahru factory in May 2004 with a final delivery date of November 2004 to Hong Kong for 45 EGS Odour Control style units. This project was completed on time with a TNG team assisting. Further orders were received for delivery to Korea and Thailand.