Declaration against Cross-Region and Unauthorized Sales

To all the ComNav customers,


This is a declaration from ComNav Technology Ltd. (hereinafter referred to as “ComNav”) as manufacturer referring to the cross-region and unauthorized sales:

There are a few trading companies based in China that sell our products worldwide through Alibaba and other channels, such as our T-series and N-series GNSS receivers (especially N3). These products are unauthorized and may not originate from ComNav, which could have a risk of malfunctioning in the future. ComNav cannot guarantee the quality and performance. ComNav also reserves the right to provide after-sales services for products purchased from unauthorized agents, non-national agents, or directly from China mainland.

You can find the Blacklist of these companies in Annex 1, and the Serial Number of these products in Annex 2.


Established in 2012, ComNav has authorized partners all over the world in more than 120 countries. For the products bought in legal way from local authorized agents, customers could benefit from after-sale services promised by ComNav and authorized agents, including firmware/software updating, maintenance and other additional services. Therefore, we highly recommend your procurement from the local authorized agent.


Please contact us if you want to check the authority.


The right of final interpretation of this declaration above resides with ComNav and our authorized agents.


Best Regards,

ComNav Technology Ltd.




Annex 1:

ComNav has never authorized the overseas sales of any our products to following companies:

  1. Henan Pilot dolphin Technology Ltd., 
  2. Shangrao Haodi Imp&Exp Trading Co., Ltd, 
  3. Jiangxi Wonder Survey Co., Ltd.



Annex 2:

The following N3 GNSS receivers of Chinese version will not get any official after-sales service from 13th March. 2024:


CLN31L03726 CLN31L03645 CLN31L03720 CLN31L03704 CLN31L03658
CLN31L03644 CLN31L03693 CLN31L03635 CLN31L03705 CLN31L03641
CLN31L03678 CLN31L03663 CLN31L03703 CLN31L03651 CLN31L03667
CLN31L03662 CLN31L03638 CLN31L03655 CLN31L03652 CLN31L03682
CLN31L03715 CLN31L03728 CLN31L03589 CLN31L03213 CLN31L03649
CLN31L03677 CLN31L03621 CLN31L03653 CLN31L03524 CLN31L03688
CLN31L03654 CLN31L03700 CLN31L03608 CLN31L03175 CLN31L03253
CLN31L03619 CLN31L03671 CLN31L03722 CLN31L03673 CLT31L03714
CLN31L03674 CLN31L03182 CLN31L03590 CLN31L03666 CLN31L03335
CLN31L03665 CLN31L03725 T3326291 T3326259 T3325814
CLN61002060 CLN61002105 CLN61002066 CLN61002120 CLN61002068
CLN61002127 CLN61002070 CLN61002133 CLN61002074 CLN61002135
CLN61002075 CLN61002136 CLN61002077 CLN61002143 CLN61002085
CLN61002150 CLN61002087 CLN61002151 CLN61002092 CLN61002152
N31L04677 N31L04454 N31L04080 N31l04089 N31L03688
T31U07485 T31U07538 N31L03041 N31L03120 N31L02023


We will keep an eye on this market phenomena, and continue to update these 2 annexes.



About ComNav Technology

ComNav Technology develops and manufactures GNSS OEM boards and receivers for high precision positioning demanded applications. Its technology already been used in a wide range of applications such as surveying, construction, machine control, agriculture, intelligent transportation, precise timing, deformation monitoring, unmanned system. With a team dedicated for the GNSS technology, ComNav Technology is trying its best to supply reliable and competitive products to worldwide customers. ComNav Technology has been listed on the Shanghai Stock Exchange (Science and Technology Board), securities :ComNav Technology (Compass Navigation), Stock code: 688592.


 About SinoGNSS®

SinoGNSS® is the official trademark of ComNav Technology Ltd., registered in People's Republic of China, EU, USA and Canada. All other trademarks are the property of their respective owners.

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