In November 2024, Qingdao Haina Energy Environmental Protection Technology Development Co., Ltd. was rated as an AAA credit enterprise by Beijing Crown Speed Credit Management, with a validity period of 3 years.
Qingdao Haina has been rated as an AAA credit enterprise
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Qingdao Haina S Series: Single-tank filter element achieves “three-in-one” oil purification
The S series oil purification equipment from Qingdao Haina Energy Environmental …
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Application of Haina electric adsorption purification technology in the steam turbine industry
with its innovative model of “active purification + online operation + composite…
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Electro-adsorption technology aids in the full-cycle oil usage in the paper-making industry
Haina Energy Environmental Protection uses technological innovation to break the…
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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…