the company attaches great importance to the internal management of the enterprise. Marketing, software research and development and technical support are the three core departments of the company. Now a relatively perfect management system has been established. In terms of customer service, in line with the idea of serving customers, it has set up many barrier free channels such as 24-hour product consultation telephone and 24-hour after-sales technical support telephone. With many years of industry experience and technology accumulation, it has persevered and made unremitting efforts to provide more excellent products and services for the majority of users (company website: http://www.wgj7.com ）