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Qingdao BY Building Materials Co., Ltd.
products: Steel Structure Building, Large Space Truss and Space Bolt Ball Joints Project, Steel Structure Bridge, Prefabricated House, Steel Parts for Construction Machinery and Ships
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Fast-build prefabricated modern glass house steel structure school building
Low-cost modular multi-storey prefabricated steel apartment building
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Hot selling famous prefabricated high-rise steel structure frame apartment hotel building
