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								Hongdali 2020 Quality Management System TrainingOn June 15, 2020, in order to strengthen the production and sales personnel'... 06-162020 
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								Hongdali-flocculation products needed in water treatment processWater treatment (7)Water treatment (5)Water treatment (4)Water treatment (3)Wate... 06-092020 
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								Hongdali-applicable to alumina product flocculant downloadHongdali Flocculant-Alumina 2020.5.19 Positive (2)Hongdali Flocculant-Alumina 20... 06-092020 
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								Alumina description data downloadHongdali Flocculant-Alumina 2020.5.19 Positive (2)Hongdali Flocculant-Alumina 20... 06-092020 
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								Inauguration of Jiaozuo Hongdali "Academician Workstation"On June 14, "Henan Provincial Functional New Materials Academician Work S... 05-292020 
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								Acrylamide new green technology to achieve technological leapA few days ago, a new process of microbial acrylamide production passed the ex... 05-292020 
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								The production technology of polyacrylamide in my country has probably gone through 3 stagesThe production technology of polyacrylamide in my country has probably gone thro... 05-292020 










 
       
           
 
      