Company: GDSTR
Filing Date: 2025-06-20
Form Type: S-4/A
Source: 0001213900-25-055744
Chunk: 569

Company: Goldenstone Acquisition Ltd.
Filing Date: 2025-06-20
Form: S-4/A
Chunk 569
---
 |
| Name:                           |     | Eddie Ni                |
| Title:                          |     | Chief Executive Officer |

Pursuant to the requirements of the Securities Act of 1933, this registration statement has been signed by the following persons in the capacities and on the dates indicated.

| Signature             
 /s/ Eddie Ni          |     | Title                                                         
 Chief Executive Officer; Chief Financial Officer and Director |     | Date          
 June 18, 2025 |
|:----------------------|:----|:--------------------------------------------------------------|:----|:--------------|
| Eddie Ni              |     | -Principal Executive, Financial and Accounting Officer        |     |               |
| */s/ Ray Chen         |     | Director                                                      |     | June 18, 2025 |
| Ray Chen              |     |                                                               |     |               |
| */s/ Jonathan McKeage |     | Director                                                      |     | June 18, 2025 |
| Jonathan McKeage      |     |                                                               |     |               |
| *                     |     | Director                                                      |     | June 18, 2025 |
| Pin Tai               |     |                                                               |     |               |
| /s/ Nan Sun           |     | Director                                                      |     | June 18, 2025 |
| Nan Sun               |     |                                                               |     |               |

| *By |     | /s/ Eddie Ni      |
|     |     | Eddie Ni          
 Power of Attorney |

II-6

SIGNATURES Pursuant to the requirements of the Securities Act, the registrant has duly caused this registration statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Greer, State of South Carolina, on the 18 thday of June, 2025.

| Infintium Fuel Cell Systems, Inc. |     |                         |
| By:                               |     | /s/ Yan (Chris) Feng    |
| Name:                             |     | Yan (Chris) Feng        |
| Title:                            |     | Chief Executive Officer |

Pursuant to the requirements of the Securities Act of 1933, this registration statement has been signed by the following persons in the capacities and on the dates indicated.

| Signature                   
 /s/ Yan (Chris) Feng        |     | Title                                                                       
 Chief Executive Officer; Director                                           |     | Date          
 June 18, 2025 |
|:----------------------------|:----|:----------------------------------------------------------------------------|:----|:--------------|