保品質的1Cr5Mo鋼管(20G高壓鍋爐無縫管!)銷售
產品材質規格價格
20G高壓鍋爐無縫管20G5*123580
20G高壓鍋爐無縫管20G16*2003460
20G高壓鍋爐無縫管20G15*483290
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