20Cr1Mo1VNbTiB alloy structural steel in Tianjin factory 20Cr1Mo1VTiB gear round steel for national standard bolt
- USD $550 - $700 / Ton
- 5 Ton / Tons
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20Cr1Mo1VNbTiB alloy structural steel in Tianjin factory 20Cr1Mo1VTiB gear round steel for national standard bolt