1. 而不能正常使用时，提供三包（保修、包退、包换）服务。 Under the customer's normal storage, transportation, maintenance, and usage conditions, when the product cannot be used normally due to manufacturing quality issues , three guarantees (warranty, return, replacement) services are provided.
2. Provide spare parts, spare parts and installation, commissioning and maintenance services in a timely manner according to customer needs or agreements, and provide technical training to relevant customer personnel.
3． For large-scale engineering projects, production, testing, and inspection will be organized in accordance with the requirements of the bidding documents, and cooperate with customers' on-site acceptance.
4． Organize the procurement of raw materials and components and the production and inspection of products in strict accordance with the IS09001 standard.
In the process of using the product, if the customer finds that the product cannot be used normally, he can immediately consult the after-sales service department of the marketing center, and explain in detail the model, specification, use environment, failure situation, purchase date and service requirements of the product used. After the after-sale service department puts forward the handling suggestion, if it still cannot be solved, then it is decided to send someone or do other handling.