Johnson is a purchasing manager from a large Australian company, called us and asked us directly, "can you provide brush in elevator? And it must be without losing filament, I found brush supplier many times previously, our brush in elevator began to shed filament 6 months, I have changed five brush supplier, but there is still no improve in this problem, I received customers' complaint continuously, the customer will forward order, I hope you can provide brush with losing filament, after installation at least 2 years, there won't be losing filament."

After listening to Johnson's request, we said to him: "AOQUN is an expert in the brush industry of brush in elevator. We have established long-term cooperation with Schindler, Hitachi and Otis, and they have been using the brush in elevator for more than 3 years without losing filament. Our brush in elevator are inspected by a tension test of 7KG. Johnson was very happy to hear that. After 12 minutes of talking on the phone, we began to talk about proofing. Within 15 minutes, after confirming the specifications and materials, we hung up the phone and began to arrange samples.

Johnson has been testing sample for 3 days after receiving the sample. However, the brush in elevator is pulled with all strength but no filament losing. So, Johnson took our brush in elevator sample to persuade the customer, who was going to transfer the order, to continue to place the order. Seven days later, Johnson called to thank us. "I haven't had a complaint since I started using your brush in elevator. At the same time, because of the small frequency of replacement, but also for his great cost savings. AOQUN has now become the only designated safety elevator brush supplier in his company.