copper strip with rounded edges for transformer winding sample free and fast good quality,best price,manufacture ... as you want copper strip with rounded edges for transformer windingThickness and tolerance WidthThickness ≤200200~400400~600600~10000.2~0 ... Jiayuan Aluminum Industry Co.,Ltd.Add: No.10, Shangwu Inner Ring Road, Zhengdong New District, Zhengzhou, Henan, China.contact Bruce Liu ...