Fabricate frames, concealed stiffeners , reinforcement , edge channels, louvers and mouldings from either cold-rolled or hot-rolled steel.

  • 制造门框, 内加强筋, 加强板, 边槽,百叶窗和模件,可选用冷轧或者热轧钢板.

  • 互联网摘选 2025-01-18 16:58:16

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