桶状圆柱压缩弹簧螺旋压簧工程建筑机械弹簧不易变形

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Hebei Yonggang Heavy Industry Technology Co., Ltd

Address:International Standard Parts Industry City (East District), Yongnian District, Handan City, Hebei Province
Tel:13731028808

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13731028808

桶状圆柱压缩弹簧螺旋压簧 工程建筑机械弹簧 不易变形