In July 2024, the Qingdao Haina team was awarded the second prize certificate of the 6th National Equipment Management and Technological Innovation Achievement by the China Equipment Management Association.
Second Prize for National Equipment Management and Technological Innovation Achievements
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Online Purification of the Hydraulic System for Subway Tunnel Boring Machines: Hainar Electric Adsorption Technology Ensures Safe Tunneling
The electro-adsorption purification and regeneration technology and equipment de…
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Qingdao Hainai Energy & Environmental Protection Technology Development Co., Ltd. sincerely invites you to participate with booth number: E2-92
The 16th China (Guangrao) International Rubber & Tire & Auto Parts Exhibition wi…
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Online purification empowerment enables Hainan Energy to significantly extend the lifecycle of gear oil
To address these challenges in gear oil application for oilfield pumping units, …
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Qingdao Hainai Composite Filter Element: High-performance Three-in-One Oil Purification Filter Element for Domestic Replacement
The composite filter element innovatively integrates three core purification fun…