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ProductMedical Equipment & Devices

Shield Tunnel Worker Air Lock

China

A pressurized transition chamber integrated with tunnel boring machines for personnel access control. Enables safe worker passage between atmospheric and pressurized tunnel environments.

Manufactured by

China

Yantai Hoto Oxygen Industrial Equipment Co., Ltd. (formerly Yantai Binglan Hyperbaric Oxygen Chamber Co., Ltd.), established in 1989, occupies over 310 acres and holds over 60% domestic market share. The company specializes in design, manufacturing, installation, and commissioning of medical hyperbaric oxygen chambers, diving decompression chambers, deck decompression chambers, mobile chambers, hypobaric chambers, soft chambers, medical oxygen generators, and related equipment. Certified for Class I and II pressure vessel design and manufacturing, with NMPA medical device registration, ISO9001:2015, and ISO13485:2016 certifications. Multiple technologies including in-chamber fire sprinkler systems and computer-controlled automation have been incorporated into national standards.

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