Woosung Gas Materials was established in 1998 and more than 20 years has provided rigidly selected products that used for LPG gas and town gas, material for gas construction, BlueN Forest Anion Lamp that eliminates contaminated air and substances and improves environment, health, and energy efficiency to provide healthy and clean environment to people and unico one-touch connection hole for piples that is made by eco-friendly synthetic raw materials and good for saving cost.