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The multi-layer conical metal rubber spring was developed for the development and popularization of light-duty pinless bogies used in suburban rolling stock.
Add: No. 5 Liaohe Road, Yinhe Economic Development Zone, Ningjin County, Shandong Province
TEL：86-135-0129-8700
TEL:：0086-534-5534810
E-mail：spring@znspring.com
WeChat：008613501298700
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