July from South Korea sent us an inquiry, they want to find a round bottom flask brush that can fully clean the round bottom flask. The round bottom flask brush they purchased before is very soft, but the head bristles are too soft, and there is no cleaning force at all, so that the bottom of the round bottom flask cannot be cleaned well. They hope we can recommend a round bottom flask brush that can be fully cleaned.
According to July's description and analysis of the reasons, we recommended him the round bottom flask brush of our fan-shaped brush head. This round bottom flask brush is nylon, which is soft and does not hurt the inner wall; the head is well stressed and cleaned, better to use than normal brush.
We sent our existing round bottom flask brush as a sample to July. After receiving it, he gave us feedback: "Your round bottom flask brush is very beautiful. We also tried to clean it. This round bottom flask brush is even and very good.” Finally, July reached a cooperation with us and customized 2000 round bottom flask brushes.
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