... a...Shape: SquareCertification: ISOSpecial Use: Valve SteelsSurface: Black,Bright,2B,BA,NO.1Price: 2000-5000 usd/MTMOQ: 1 ... Mill Test Certificate is supplied with shipment, third Party Inspection is acceptable. Product Application: With bright surface, slight magnetism and ... resistance, unified diameter, smooth surface, bright color, ect. Especially the electrolysis bright wire, it’s our “hot sales ...