Oct 24 , 2018
1. ZL 2011 2 0072933.3 a floor type electric demister (utility model)
2. ZL 2011 2 0072931.4 integrated packed washing tower (utility model)
3. ZL 2011 2 0072932.9 a drum slag mixer (utility model)
4. 201320330055. X nozzle of sulfur spray gun (utility model)
5. 201320430937.3 a special-shaped bending machine (utility model)
6. 201310310167.3 a sulphuric acid production process for combined incineration of waste sulphuric acid and hydrogen sulfide and the sulfur incinerator used (invention)
7. 201320436889.9 a sulfur incinerator (utility model) for acid making process by combined incineration of waste sulfuric acid and hydrogen sulfide
8. 201320502255.9 a semi-automatic beveling machine (utility model)
