Mr. Yang is an environmental protection company that deals with water filtration. Recently, he found Aoqun Wang and hoped to cooperate with him to solve the problem that the entire filter brush for pond fell off into the tank after using it for a period of time because it reached a certain weight.

After listening to Mr. Yang ’s talk, Xiao Wang preliminarily determined that the filter brush for pond purchased by Mr. Yang may be a problem with the hook at the end of the handle; then Xiao Wang Mr. Yang to the scene and found that the filter brush for pond in Mr. Yang ’s pool was used plastic shafts. Although the speed of delivery is fast in this way, the plastic shaft will play a certain chemical reaction with the use of a long time, and it will naturally fall off. Combining with years of experience in the production of filter brush for pond, Xiao Wang talked about the reasons for falling off and recommended that Yang use a stainless steel spot welding shaft, and also attached a sample. Mr. Yang was very satisfied after seeing it, and immediately confirmed 800 orders for experiment.

Six months later, Mr. Yang feedbacked the experimental results showing that the filter brush for pond shaft is very strong, and they used the high-pressure water gun to rinse without any problems. Mr. Yang asked Xiao Wang to prepare the materials. After the start of their new project, they needed to purchase 10,000 pieces.