Technical support is as follows: 1. For customers to make some needs, combined with the company's products to give the appropriate solution. 2. Has purchased the company's products, the use of the various problems in the provision of appropriate technical services. 3. According to the needs of different customers, combined with the company's technology research and development and production to provide the appropriate products. 4. All the major services have been purchased or combined with the company's products related to help.