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Ningbo Donglian Mechanical Seal Co.,Ltd
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    • Mechanical seals
    • Mechanical seal rings or faces
    • Bushings/sleeves and shafts
    • Bullet-proof plates and armours
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    • Stock Products with discount
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Learders' study 
Learders' training 
 Workers' training





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The champion of the sports 
Sports 
2018 Annual recognition conference 





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The experts' visit



    Ningbo Donglian Mechanical Seal Co.,Ltd. (Dyseals) is always paying more attentions not only to skilled workers and technology innovation in mechanical seals and mechanical seal faces/rings, but also to workers' spare time, organizing some activities to co-operate well. Experts in mechanical seals and seal faces/rings have given important guides.

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Contact Us
    Ningbo Donglian Mechanical Seal Co.,Ltd
  • 6 Mingshu Road, Jiangshan Science and Technology Zone,Ningbo, China. 315191

  • Chinese:

  • +86-574-88452354   88452844-8002/8802
  • +86-574-88457435

  • International:

  • +86-574-88452348
  • +86-574-88452843
  • +86-13757416548
  • sales@china-dongya.com
  • http://www.china-dongya.com
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