压缩弹簧厂家波形弹簧库存充足缓冲减振型号全

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Zhengzhou city, zhengdong district, zhengzhou okay

Address:50 meters in the new technology estate in xinyang city, zhengzhou, henan province
Tel:15837107280

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15837107280

压缩弹簧厂家 波形弹簧 库存充足 缓冲减振 型号全