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 10th Oct. 2022:

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

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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