Exhibit 3.1

CERTIFICATE OF AMENDMENT

OF CERTIFICATE OF INCORPORATION

OF

LONGBAU GROUP, INC.

Longbau Group, Inc. (the “Corporation”) organized and existing under and by virtue of the General Corporation Law of the State of Delaware does hereby certify:

FIRST: That by unanimous written consent of the Board of Directors of Longbau Group, Inc. (the “Corporation”) resolutions were duly adopted setting forth a proposed amendment of the Corporation’s Certificate of Incorporation, declaring said amendment to be advisable and requesting a majority of the stockholders of the Corporation to give their consent in writing thereto. The resolutions setting forth the proposed amendments are as follows:

RESOLVED, that Article First of the Certificate of Incorporation of the Corporation be amended and restated to read as follows:

The name of the corporation is “Kaopu Group, Inc.”

SECOND: That thereafter, pursuant to resolution of its Board of Directors, a majority of the stockholders of said corporation gave their consent in writing to the preceding resolutions in lieu of meeting of stockholders pursuant to Section 228 of the General Corporation Law of the State of Delaware.\

THIRD: That said amendments were duly adopted in accordance with the provisions of Section 242 of the General Corporation Law of the State of Delaware.

IN WITNESS WHEREOF, the Corporation has caused this Certificate of Amendment to Certificate of Incorporation to be signed this 19th day of December 2018.