After Dushanzi Petrochemical Company's refinery sulfur recovery unit was expanded and transformed, through the production process of processing and conversion of hydrogen sulfide gas, the sulfur products with excellent quality were produced, sold throughout the country, and created good economic returns. The purpose of energy conservation and emission reduction. The smoke emissions from all production facilities have all reached the national comprehensive emission standards for atmospheric pollutants. V Efficiency Mixer,V Type Powder Mixer,V Shape Powder Mixer,Blender Mixing Machine WUXI ZHANGHUA PHARMACEUTICAL EQUIPMENT CO., LTD. , http://www.filterdryer1976.com