SCHEDULE 13G

Under the Securities Exchange Act of 1934
(Amendment No. 7)*

(Name of Issuer)

(Title of Class of Securities)

(CUSIP Number)

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

*The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

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Item 4.                                 Ownership

The following information with respect to the ownership of the ordinary shares of par value of $0.0001 per share of ChinaCache International Holdings Ltd. (the “Issuer”) by each of the reporting persons is provided as of December 31, 2017:

Consolidated Capital Holdings Ltd., a British Virgin Islands company, directly holds 56,487,472 ordinary shares of the Issuer and 3,486 American depositary shares representing 55,776 ordinary shares.  Consolidated Capital Holdings Ltd. is a wholly owned subsidiary of Nice Mercy Holding Limited, a Bahamas incorporated company, which is in turn wholly owned by J.P. Morgan Trust Company (Bahamas) Limited, as trustee of the Hong Song Family Trust. The Hong Song Family Trust was established by Mr. Song Wang and Ms. Jean Xiaohong Kou for the benefits of their family members. Mr. Wang and Ms. Kou are husband and wife. Pursuant to Section 13(d) of the Securities Exchange Act of 1934, as amended, and the rules promulgated thereunder, Mr. Song Wang and Ms. Jean Xiaohong Kou may be deemed to beneficially own all of the ordinary shares of the Issuer held by Consolidated Capital Holdings Ltd.

The 92,939,581 ordinary shares of the Issuer beneficially owned by Mr. Song Wang comprise the following: (i) 56,487,472 ordinary shares and 3,486 American depositary shares representing 55,776 ordinary shares directly held by Consolidated Capital Holdings Ltd., (ii) 313,293 ordinary shares directly held by Harvest Century International Ltd., a British Virgin Islands company and also a wholly-owned subsidiary of Nice Mercy Holding Limited, (iii)  21,740,192 ordinary shares that Mr. Wang has the right to acquire upon exercise or vesting of equity incentive awards within 60 days after December 31, 2017, and (iv) 14,342,848  ordinary shares that Mr. Wang’s wife, Ms. Jean Xiaohong Kou, has the right to acquire upon exercise or vesting of equities incentive awards within 60 days after December 31, 2017. Pursuant to Section 13(d) of the Securities Exchange Act of 1934, as amended, and the rules promulgated thereunder, Mr. Wang may be deemed to beneficially own a total of  92,939,581 ordinary shares of the Issuer.

The ordinary shares of the Issuer beneficially owned by Ms. Jean Xiaohong Kou comprise the same shares as beneficially owned by Mr. Wang. Ms. Kou has the right to acquire 14,342,848  ordinary shares of the Company upon exercise or vesting of equity incentive awards within 60 days after December 31, 2017. In addition, as Ms. Kou is Mr. Wang’s wife, Ms. Kou may be deemed to beneficially own a total of  92,939,581 ordinary shares of the Issuer  pursuant to Section 13(d) of the Securities Exchange Act of 1934, as amended, and the rules promulgated thereunder.

Item 5.                                 Ownership of Five Percent or Less of a Class

Not applicable

Item 6.                                 Ownership of More than Five Percent on Behalf of Another Person

Not applicable

Item 7.                                 Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company or Control Person

Not applicable

Item 8.                                 Identification and Classification of Members of the Group

Not applicable

Item 9.                                 Notice of Dissolution of Group

Not applicable

Item 10.                          Certifications

Not applicable

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SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Dated:  January 26, 2018

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LIST OF EXHIBITS

* Previously filed

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