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Sinopec and Mitsubishi Chemical joint ...
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Beijing Harvijoy Clean Service Corporation Ltd relies on solid scientific research strength of Tianjin University and China University of Petroleum, constant innovations and abundant scene experiences.  More...

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Chemical Cleaning Technology Membrane Cleaning Technology
High Pressure Water Jet Cleaning Technology Dry ice Cleaning Technology
Pipeline Cleaning Technology Pipeline Drying Technology
Central Air-Conditioning System Cleaning &  Water Treatment Technology
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Beijing Harvijoy Clean Service Corporation Ltd                                                                    Tel: 010-84829026   Technology: Globalnet   J ICP 11037325