- 
            
			Tongchuan Nanojet  - 
            
			Tongchuan Photon  - 
            
			Tongchuan H8 air plastic gun  - 
            
			Tongchuan NV-939 11 Shuttle Instrument  - 
            
			Tongchuan NV-959 Electric Micropen  - 
            
			Tongchuan NV-919 plastic gun  - 
            
			Tongchuan Titanium Crystal Non invasive Hydrometer  - 
            
			Tongchuan Small Bubble Water Oxygen Activator (W02)  - 
            
			Tongchuan GeneO+oxygen bubbles  - 
            
			Tongchuan Carbon Oxygen Microbubble Skin Radiance Instrument  - 
            
			Tongchuan Cloud intelligent skin detector  


