不锈钢丝钢芯  Stainless Steel

进口钢芯        Steel Core

德银缠弦        Nickel Silver Wound

塑料袋装        Plastic Bag

E-1st   Stainless Steel

A-2nd   Steel Core，Nickel Silver Wound

D-3rd    Steel Core,Nickel Silver Wound

G-4th   Steel Core,Nickel Silver Wound