Qingdao Haitongda Special Instrument Co.,Ltd.


*Before you ship back the instrument to our company for repair, please apply for the RMA number, and clearly mark the RMA number on the outer packaging box of the instrument. This will help us to provide you with repair service, speed up your repair request and prevent the goods delay.

Please use one of the following contact information to apply for RMA number

Tel: 0086-532-87605016/ 0086-532-87605018


E-mail: haitongda@vip.sina.com

Please provide the following information when contacting us:


*2、Contact person

*3、Telephone number of contact person

*4、Detailed send back address for maintenance instrument

*5、Brief maintenance requirements