东岳氟硅科技集团有限公司-爱游戏app官网登录入口

ptfe molding powder small particle df-16
 

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shandong dongyue polymer material co., ltd.

domestic sales office:0533-8510456

e-mail:

foreign sales office:0533-8510071

e-mail:esales@dongyuechem.com

online inquiry
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