40x25x4
Manufacturer: Zhengfeng steel
Material: Q235B
Specification: 40 * 25 * 4
Executive standard: GB / T 700-2006
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National Service Hotline:
18034447797
Address: No. 268, Linyin Road, Fengrun District, Tangshan City, Hebei Province
E-mail： 562691973@qq.com
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