Yibolai always adheres to the service concept of "attentive pre-sale, attentive sale, assured after-sale". Free consultation, professional advice to customers, free door-to-door measurements, design drawings and detailed quotations. The after-sales service of cold storage is the most concerned topic for users besides the quality and cost of cold storage. It is also the important foundation and key to the continuous progress and innovation of hundreds of millions of people. After installation of refrigeration depot, it provides maintenance service and personnel training for customers. During the warranty period, maintenance engineers regularly inspect the operation status of equipment, eliminate hidden troubles, notify the operation status of equipment, and listen to customers'opinions. The company set up a 24-hour after-sales service center call. After receiving the call for repair, the city maintenance staff will rush to the scene within 2-5 hours, and other provinces and cities will rush to the scene within 48 hours. General malfunction can be solved within 24 hours.