TIANJIN ZONE XINDA CHEMICAL TECHNICAL DEVEPOPMENT CO.,LTD is aprofessional manufacturer of Sodium monofluorophosphate,Zinc chloride and Ammonium zinc chloride,and we are the sole domestic manufacturer who can ensure a monofluro content of over 98%.Our products comply with the latest USP Standard,and we have established long-term cooperative relationships with many famous international companies,and are enjoy a good reputation in the industry.We naturally focus on toothpaste industry,Flux in ...