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Design and production of mechanical seals for low-temperature cryogenic liquid nitrogen and liquid oxygen tank trucks. Import substitution with domestic production.

2019-02-22View Original

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Design and production of mechanical seals for low-temperature cryogenic liquid nitrogen and liquid oxygen tank trucks. Import substitution with domestic production.
Reply #22019-02-22
I can’t upload pictures of domestic alternatives to imported machine seals.
Reply #32019-02-22
This is protected by intellectual property rights, right? If it could be replicated, then low-temperature pumps could be manufactured.
Reply #42019-02-22
Hello, we have our own design and production patents for this. Moreover, this cannot be easily replicated; the structure of low-temperature mechanical seals may seem simple, but the materials and manufacturing processes involved are quite complex. These foreigners have held a monopoly for years; our company’s production technology has broken that monopoly. Can this be called imitation? Low-temperature mechanical seals cannot be equated with other ordinary fluid mechanical seals.
Reply #52019-02-23
Hello, my contact number is 13688461413. Feel free to call at any time. WeChat L15983577415T.
Reply #62019-03-07
Where from? Is there a warranty on the service life?
Reply #72019-03-08
The last edit to this post was made by Low-temperature Liquid Nitrogen Pump Seals on 2019-3-8 at 09:11. Hello, I’m from Chengdu, Sichuan; the service life of these machine seals is 5–6 months. Some have been in use at the site for 8 months. Feel free to add me on WeChat.

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