Commodity size: Port No. #9-#21

 Commercial process: electroplating platinum 

 Material: white copper

 Product packaging: transparent packaging bags 

 Health functions: anti fatigue, anti allergy, etc.

Classic simple four claw female ring HK21 Classic simple four claw female ring HK11 Classic simple four claw female ring HK10 Classic simple four claw female ring HK15 Classic simple four claw female ring HK9 Classic simple four claw female ring HK16 Classic simple four claw female ring HK12 Classic simple four claw female ring HK19 Classic simple four claw female ring HK14 Classic simple four claw female ring HK13 Classic simple four claw female ring HK17 Classic simple four claw female ring HK18 Classic simple four claw female ring HK20