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Service Policy

1. SERVICE Commitment

CHISON provides lifetime service for all the sold products with CHISON brand. 

2. Self-Service Center

Self-Service Center provides customer access to learn Installation, Operatation, Maintenance via Videos, and the newest software download for Ultrasound System.

To use the self-service center, please follow below steps.
I.    Download and install Wechat App on your mobile phone. Pls refer to
II.   Search "CHISON" and follow CHISON's offical account.
III.  Enter a keyword, get what you want.

3. Warranty Statement

If you already purchased CHISON product, we ask you finish the User Register at, the corresponding free warranty period is provided for the main unit and

probe (transducer) from the date of Ex-factory.


CHISON warrants to customer that each Warranted Product will be free from defects in material and workmanship under normal use in accordance with the manuals and specifications provided by CHISON.

This warranty is made to direct buyer only and does not extend to any subsequent purchaser of the Warranted Product. Generally, warranty service will be conducted by a authorized CHISON service center.

For the products which need to be replaced within the warranty period, CHISON will replace them with products which have the same specifications, and the replacing products have same rights as the original products.

The original warranty period for the repaired or replaced products which are still in warranty period will not be extended.


4. Warranty Exemptions

When the warranty period is expired,or the following situations, services will be charged at reasonable cost and it should be born by the user.

 The warranty card was not filled up completely, or not sent back. You can choose send the orginal ones by express mail or finish User Register at, the registered product will win 3 month’s warranty extension award based on Ex-factory date.

 System failure due to operations incompliance to our operation manual.

Failure or damage caused by improper and careless moving.

Faiure or damage caused by repair ,modification or disassembling at service station not authorized by CHISON.

System failure due to fluctuation of voltage.

5. Complaint Procedure

The general process to deal with customer’s feedback is as follows:
I.   Receive the feedback from Customer, track the product information. 

*We kindly ask the User finish the registeration at so as to save time.

II.  Response to customer within 8 office hours,  check the detailed information about Product model, Serial Number (SN), and the details. Meanwhile, get the customer name and contact information for verification purpose.

III.  Provide professional solutions to customer. The possible defective spare parts will be returned to CHISON for test, repair or replace, please refer to Return Procedure.

IV.  Get positive feedback from customer before close the service case.


6. Return Procedure

Any products need to be returned to CHISON, the following procedures should be carried out:

 I.   Contact with CHISON service center for “ Return Material Authorization ”. The customer should provide the detailed information, such as Model, Serial No.(SN) , and reason for return.  

II.  Only after the customer get authorized No. from CHISON service center, they could deliver the items back to CHISON. 

III. The customer should strictly follow the shipping instruction released by CHISON. All items must be packed well before delivery, and 
authorized No. must be marked clearly on the packages.

IV. When CHISON get the packages,  the service person will notice customer.