NiCr8020,NiCr7030 wire ,NiCr6015,NiCr3020,NiCr3520,NiCr2520,and so on. Shanghai Daoda Electrical Alloy Material Co.,Ltd was established in 1998 and grows up to be a large and comprehensive company covering a whole production flow of melting,rolling,drawing,heat treating and finishing and completes with whole test equipments with scale product quantity,comprehensive quality control,advanced ...