If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).




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SCHEDULE 13D




Comment for Type of Reporting Person:
1. The Reporting Person is filing this Schedule 13D/A to report a decrease in his beneficial ownership of the Issuer's Ordinary Shares following the transactions reported herein. 2. Represents 377,326 Ordinary Shares of Atlas Trinity Tech Limited (the "Company") directly and indirectly held by Zhiwei Liu ("Mr. Liu"). The Ordinary Shares beneficially owned by Mr. Liu consist of (i) 132,087 Ordinary Shares beneficially owned by Mr. Liu and held of record through Cede & Co., and (ii) 245,239 Ordinary Shares held by Chunda International Capital Management Co., Ltd, a British Virgin Islands business company that is wholly-owned by Mr. Liu. 3. The percent ownership is calculated based upon an aggregate of 5,874,743 shares outstanding as of October 23, 2026.


SCHEDULE 13D




Comment for Type of Reporting Person:
1. The Reporting Person is filing this Schedule 13D/A to report a decrease in its percentage ownership of the Issuer's Ordinary Shares. 2. Represents 245,239 Ordinary Shares of the Company held by Chunda International Capital Management Co., Ltd, a British Virgin Islands business company that is wholly-owned by Mr. Liu. Mr. Liu is deemed to beneficially own these shares by virtue of his control of Chunda. 3. The percent ownership is calculated based upon an aggregate of 5,874,743 shares outstanding as of October 23, 2026.


SCHEDULE 13D


 
Zhiwei Liu
 
Signature:/s/ Zhiwei Liu
Name/Title:Zhiwei Liu
Date:10/27/2026
 
Chunda International Capital Management Co., Ltd
 
Signature:/s/ Zhiwei Liu
Name/Title:Director
Date:10/27/2026