**Exhibit      31.1**

**CERTIFICATION      PURSUANT TO**

**RULE      13A-14 OF THE SECURITIES EXCHANGE ACT OF 1934**

**AS      ADOPTED PURSUANT TO**

**SECTION      302 OF THE SARBANES-OXLEY ACT OF 2002**

|   | 1. | I                have reviewed this annual report on Form 10-KSB/A of Supreme Realty                Investments, Inc. (now known as Home System                Group); |
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|   | 2. | Based                on my knowledge, this report does not contain any untrue statement                of a                material fact or omit to state a material fact necessary to make                the                statements made, in light of the circumstances under which such statements                were made, not misleading with respect to the period covered by this                report; |
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|   | 3. | Based                on my knowledge, the financial statements, and other financial information                included in this report, fairly present in all material respects                the                financial condition, results of operations and cash flows of the                registrant as of, and for, the periods presented in this                report; |
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|   | 4. | The                  Registrant’s other certifying officer and I am responsible for                  establishing and maintaining disclosure controls and procedures                  (as                  defined in *Exchange                  Act Rules*                  13a-15 and 15d-15) for the registrant and                  have: |
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|   | 5. | The                Registrant’s other certifying officer and I have disclosed, based on our                most recent evaluation of internal control over financial reporting,                to                the registrant's auditors and the audit committee of registrant's                board of                directors (or persons performing the equivalent functions):   |
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| Date:                January 8, 2007 | /s/                Li Wei Qiu                                    |
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|                                 | Li                Wei Qiu Chief                Executive Officer |

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