Zhangjiagang Ousirui Technology Co., Ltd. is an integrated high-tech enterprise which includes the design, research and development, manufacturing, sales, trade and service. Main productions are sterilizers and ozone generators. The factory lies in Zhangjiagang city by side of the Yangtze River, near to Shanghai. We own a group of excellent engineers which provide strong technology support, efficient businessmen, complete and professional after sale service team. We use advanced manufacture & ...