Create a three in one pattern of waste oil purification, waste oil equipment, and waste oil regeneration base oil
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Electric adsorption purification and reduction technology – the “blood purification expert” for rail transit lubrication systems
The secondary benefits brought by electro adsorption te…
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Purification of hydraulic oil/gear oil in the steel industry – a win-win situation of cost reduction, efficiency improvement, and green emission reduction
Purification and filtration of steel hydraulic oil and …
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Qingdao Haina has been rated as an AAA credit enterprise
In November 2024, Qingdao Haina Energy Environmental Pr…
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Second Prize for National Equipment Management and Technological Innovation Achievements
In July 2024, the Qingdao Haina team was awarded the se…
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2023-2025 High tech Enterprise Certificate
In November 2023, Qingdao Haina Energy Environmental Pr…
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Environmental Impact Assessment Report for Comprehensive Utilization and Expansion of Waste Mineral Oil and Emulsion Disposal Project (Reapproved) Full Text Information Disclosure
Environmental Impact Assessment Report for Comprehensiv…
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The first public announcement of the Environmental Impact Assessment Report for the Comprehensive Utilization, Expansion, and Emulsion Disposal Project of Waste Mineral Oil of Harbin Dongfeng Oil Chemical Co., Ltd. (re approved)
The first public announcement of the Environmental Impa…
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Major environmental protection technology and equipment supporting units encouraged by the state for development
Major environmental protection technology and equipment…