【Description of after-sales service】

1）The equipment must be purchased from an authorized dealer that has been approved by this sales company to enjoy this warranty service.If you purchase it from an unauthorized dealer, you may purchase counterfeit products, so if you buy it from an unauthorized dealer We do not provide services for products.

2）For products purchased from dealers, enjoy a one-year warranty period from the date of purchase. During the warranty period, under normal use conditions, failures caused by the quality of the product itself, we will repair and replace parts for free.

3)The following cases are not covered by the warranty, we can provide repair services, but need to collect repair fees and replacement parts fee:

-- Damage caused by exceeding the rated usage conditions of the product (such as power overload, unstable voltage, overheated environment, moisture and rust, etc.）

-- Human negligence, operation errors or damage caused by incorrect links not in accordance with the use of technology and safety rules.

--  Damage caused by various natural disasters (such as fire, flooding, lightning strike, earthquake, etc.)

【After-sales service commitment】

1.Service tenet: "Intimate service, forever friend" is the purpose of Lingjie after-sales service.

2.Service goal: Service quality wins customer satisfaction

3.Service efficiency: The maintenance period of the product during the warranty period is seven working days (except for special circumstances). The maintenance period of the over-guaranteed product or the artificially damaged product is appropriately extended according to the actual degree of damage.

【After-sale service constitution and response】

1.The company has set up a special after-sales service organization and position to provide customers with after-sales service responsibilities.

2.The company will hold various types of product after-sales service training regularly or irregularly.

After-sales contact information:  QQ: 2850123976,  Tel: 020-81428138

After the user submits the repair, our company's technical staff will deal with it as soon as possible. Products that cannot solve the problem in a short time will provide products of the same grade to the user for substitution. In case of equipment failure, the cost of spare parts replaced during maintenance shall be borne by the user.

【After-sales matters needing attention】

In order to avoid human factors causing the equipment to work normally and to be stable and safe, our company gives the following instructions to users:

1.Please read all safety matters before using our products;

2. The equipment's power cord and power plug are equipped with safe and formal grounding;

3. Do not use the device near places such as wine and tea;

4. The equipment should be installed in a well-ventilated place. All electronic products placed in the cabinet should be equipped with exhaust equipment;

5. The equipment must be kept away from heat sources, such as other products that generate heat;

6. The device allows debris or liquid to fall into the machine from its gap;

7. Warning-Do not let heavy objects accumulate on the equipment, and avoid stacking other equipment;

8. When using the device, a safety door with a lock must be installed for the device;

9. Users must receive practical training on product use;

10. The direct users of the equipment must control in time when they hear the microphone howling;

11. It is forbidden to adjust the volume safety lock and safe use parameters set by professional technicians;

12. Do not use the equipment beyond the equipment's tolerance (product instruction manual).

13. The user must safely check the equipment once before using the equipment every day.

In order to avoid unnecessary losses and normal business caused by human factors. Please use the equipment strictly in accordance with the above requirements. When the equipment fails, it is not necessarily a problem of equipment quality. Before sending for repair, please check the equipment according to the above methods. After the failure is determined, the equipment failure should be prevented from recurring. For the safety and normal use of your equipment, we will be willing to provide you with professional technical service support. Thank you for using our products.