My company mainly fermentation production of pesticides and additives used silicone defoamer, the main products Avermectin EC thickener, paraquat mount synergistMy company mainly fermentation production of pesticides and additives used silicone defoamer, the main products Avermectin EC thickener, paraquat mount synergistMy company mainly fermentation production of pesticides and additives used silicone defoamer, the main products Avermectin EC thickener, paraquat mount synergist