摘要
Do-Fluoride Chemicals Co.,Ltd.(DFD) islocated in Jiaozuo,Henan province and isengaged in the production and sales of highperformancefluoride products,which can bewidely used in many industries,such as aeronauticsand astronautics,metal metallurgy,chemicals,pharmaceuticals and electronics.Different from other fluoride manufacturersin China,10-year-old DFD does not usefluorite,one of China’s important resources,as the raw material for the production offluorides.Instead,it makes use of wastes
