1. Under normal storage, transportation, maintenance and use conditions of customers, if the product cannot be used normally due to manufacturing quality problems, we provide three guarantees (warranty, return and replacement) services.

2. When receiving quality information feedback, we will promptly put forward treatment opinions, and rush to the site to deal with the problem if necessary according to the specific situation. After normal operation, we will analyze the reasons and clarify the responsibilities.

3. Provide necessary technical documents and product certificates for factory products.

4. Provide spare parts, installation, commissioning, maintenance services and technical training for relevant personnel of customers in a timely manner according to customer needs or agreements.

5. For large-scale engineering projects, we will organize production, testing and inspection according to the requirements of the bidding documents, and cooperate with customers for on-site acceptance.

6. Strictly organize the procurement of raw materials and parts and the production and inspection of products in accordance with the IS09001 standard.

During the use of 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 provide detailed information on the model, specifications, use environment, fault conditions, purchase date and service requirements of the product used. If the problem still cannot be solved after the after-sales service department has made suggestions, we will decide to send someone or take other measures.