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济南40cr冷拉方钢现货厂家

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济南40cr冷拉方钢现货厂家

40cr冷拉方钢         规格              现货

16*16              2.8

20*20                 3.6

25*25              2

28*28                  1.2

30*30               3

35*35                  3.5

40*40                    5

45*45                    3

50*50               2.5