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Manufacturing process of Dewar

Manufacturing process of Dewar

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Inner and outer cylinder production: produced by separate logistics lines, and finally assembled on the public logistics line.
Head production: including customized inspection, pipe welding and other steps.
Cylinder body forming: involves fixed-length plate inspection, rolling, longitudinal seam welding and other links.
Head welding: automatic circumferential seam welding to ensure the sealing of the cylinder.
Leak detection and packaging: after all components are assembled, leak detection test is carried out and packaging is put into storage.

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