Hongshengyuan seals Co. Ltd is located in the beautiful coastal city of Shandong in Qingdao. The company specializes in the design and manufacture of rubber. Mainly to a variety of seals supporting the main. The characteristics of hongshengyuan seal with oil resistance, high temperature resistance, aging resistance, long service life etc.. Our prod
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Company Name: | Qingdao hongshengyuan seals Ltd. |
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