By chance, I learned that a chemical company's project requires weighing equipment, so I inquired through various channels and learned some of the company's situation. The company is also a first-line enterprise in the industry in which it has advanced ideas and business concepts, has strength, and has high requirements in management, quality, and service. In addition, it attaches great importance to the cost-effectiveness of its products. Fortunately, I know that they have experience in using weighing products. Before that, they were customers of a scale manufacturer. Unfortunately, the company didn't know much about domestic weighing manufacturers, and unfortunately after visiting Learned that there is another major competitor. Knowing that there are two competitors, there is no urgency to promote too many products, especially the advantages and disadvantages of the products he has used, how to deal with some problems, and how our IoT weighing products are more efficient and better. Processing. After many visits and communication, we have established a good interaction with our customers. Our professional and user-friendly service has also made our customers have a better impression on us. The biggest hesitation of customers is that they have no doubts about domestic products including ours because they have not used domestic products before.