Xi’an Conval Antibiotic Technology Co., Ltd has been in the field of silver ion for 24 years. We are the largest industry base of active silver ion in Asia. Conval took the lead in launching the world-class product series of active silver ion of high valence state (Ag++) by patent technology. The series of silver ion has been applied in different fields including medical treatment, public environment, home hygiene, personal care and pet health etc.