... ,Using Sanyou patented welding;4,Sanyou patented technology of the plate surface treatment;5,Sanyou of the type at the bottom of ... ,Using Sanyou patented welding;4,Sanyou patented technology of the plate surface treatment;5,Sanyou of the type at the bottom of ... special shape of edgestrip,long life,stable performance;7,Cathode plate design life of 10-15 years; ( function(){ var aBigImageSrc = [ 'http ...