Tender For bid to ras supply of cold rolled annealed spring steel strip size: 1.0(+ 0.04/-0.09) x20(+ /-0.3) mm coil , spring steel strip / ty 14-550-6-94 60s2a -t-s-n, gost 2283-79 0.8mm thick x 90 mm width , spring steel strip en42j/bs970 part i -83 0.6x75mm roll , spring steel strip 65s2va, gost 2283-79 0.5mm thick x 60mm width , spring steel strip, en 45a 60s2a gost 2283-79/ty 14-550-6-94 0.3(-0.04) mm