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In June, Johnny of Korea called our hotline, and he gave us feedback that he had recently received a batch of poor-qualityspray suppressant brush for trucks and trailers side covers. The main reason for the poor quality is aserious light leakage with the brush. He also took some photos to show us, the brush does have anobvious light leakage. He hopes we can provide him with a reasonable and effective solution.

Based on Johnny’s feedback, our experts firstly analyzed the sources of the leakage problem. After communication, we knew the brush thickness of thespray suppressant brush for trucks and trailers side coversis notinline with the conventional standard. In addition, the filament diameter wasslightly bigger. Considering these factors, AOQUN experts immediately prescribedthe right medicine, on the one hand we recommend Johnny to accept a slightly smaller filament diameter, but the premise is to ensure that the filament stiffness is appropriate; On the other hand, we also told him our standard brushthickness fora certain brush base width and provided the suitable thickness. Then we made the samples for him following these two criteria. When Johnny received the sample, he told us that our sample looked good, with neither the leakage problem nor the size discrepancy.

After 3 days, Johnny sent us an order of 1600-meterspray suppressant brush for trucks and trailers side covers. He supplemented: ” As brush manufacturers, AOQUN do a good job in quality and service.”