**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.                  | 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.                  |  I                have disclosed, based on my most recent evaluation, 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 5, 2007 | /s/                Li                Wei                Qiu                       |
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|                                      | Li                Wei Qiu Chief                Executive Officer                                                                                                                                |