Exhibit 23.4

Consent of Independent Auditors

We hereby consent to the incorporation by reference in the prospectus constituting a part of this Registration Statement of our report dated February 4, 2014, relating to the financial statements of National Methanol Company (Ibn Sina) (which expresses an unqualified opinion and includes an emphasis of matter paragraph relating to the differences between accounting principles generally accepted in Saudi Arabia and accounting principles generally accepted in the United States of America) appearing in the Annual Report on Form 10-K of Celanese Corporation for the year ended December 31, 2013.

We also consent to the reference to us under the heading “Experts” in the prospectus.

For BDO Dr. Mohamed Al-Amri & Co.

/s/ Gihad M. Al-Amri

Certified Public Accountant

Registration No. 362

Dammam. Saudi Arabia

February 7, 2014