... fast good quality,best price,manufacture as you want copper strip with rounded edges for transformer windingThickness and tolerance WidthThickness ≤200200 ... Jiayuan Aluminum Industry Co.,Ltd.Add: No.10, Shangwu Inner Ring Road, Zhengdong New District, Zhengzhou, Henan, China.contact ... warmly welcome you visit our factory and cooperate with us copper strip with rounded edges for transformer winding