Mr. Li is the owner of a small commodity trading company and often helps foreign customers purchase products. The test tube brush with soft tip purchased for foreign customers in the past six months is very bad. After using it for a period of time, the entire brush will show severe bending and can no longer be used. The customer is very dissatisfied.

After searching, Mr. Li found Mr. M from Aoqun. After hearing about Mr. Li's confusion, Mr. M immediately told Mr. Li: "Aoqun's test tube brush with soft tip are made of pure nylon, and the rebound rate is as high as 99.9%. 1 million times of friction without deformation, no filament loss; good aging resistance, no bending, can maintain good performance in different environments, and the test tube brush with soft tip produced by Aoqun has a good pulling force, and the pulling force of each 5 filaments is more than 3Kg , Greatly reducing the frequency of frequent replacement by customers, effectively saving costs for customers. "Then Mr. M provide samples to Mr. Li.

Ten days later, Mr. Li called and said, "The test tube brush with soft tip sample provided by your company has been confirmed by customer tests. Through the use of experiments, the elasticity is indeed very good. There are no bends or filament loss, which proves that the quality is really guaranteed. "On the same day, Mr. Li placed an order for 3,000 test tube brush with soft tip.