Established in 1964, Leeden National Oxygen Ltd (Leeden NOX) has more than 50 years of operating experience and is one of the leading players in total solutions for welding, gas and safety in the region. Through acute strategic direction and planning, Leeden NOX managed to expand its global reach beyond the shores of Singapore. With a strong foothold around Asia, our company is able to promptly attend to and meet the needs of our customers. In February 2012, the company became a member of Taiyo Nippon Sanso Corporation (TNSC), a leading global industrial gas manufacturer and the largest in Japan. Leeden NOX continues to strive to become the choice integration specialist amongst our three main business segments. In doing so, we endeavour to achieve an all-inclusive approach when serving our customers. Through this, customers will be able to enjoy a more tailored and comprehensive service experience when working with us.