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Precast reinforced concrete single and double grate storm inlets
Metallurgy & Minerals/Metal Wires and Ropes/Other Metal Wire, Rope¥ 100
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River hydraulic engineering concrete flat-laying ecological slope protection frame
Metallurgy & Minerals/Metal Wires and Ropes/Other Metal Wire, Rope¥ 95
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Concrete U-shaped channel cement flat-bottom drainage channel
Metallurgy & Minerals/Metal Wires and Ropes/Other Metal Wire, Rope¥ 15
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Photovoltaic cement block solar power generation cement base
Lights & Lighting/Indicator Lights/Traffic Warning Lights¥ 50
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