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| 4239 | Zhuo Ang Engineering Pte. Ltd. 201819361H | 启用 |
| 4240 | Zerkalo Singapore Pte. Ltd. 201819323Z | 启用 |
| 4241 | Zircono Marine Pte. Ltd. 201816778G | 启用 |
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| 4243 | Zhong Jin Capital Pte. Ltd. 201816397D | 启用 |
| 4244 | Zionchain Pte. Ltd. 201820925Z | 启用 |
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| 4246 | Z Robotix Pte. Ltd. 201821196Z | 启用 |
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| 4249 | Ziman International Pte. Ltd. 201820586H | 启用 |
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| 4256 | Zoomvik Automotive Pte. Ltd. 201815169C | 启用 |
| 4257 | Zt International Technology Pte. Ltd. 201815763D | 启用 |
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