Filing Details

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

o

Rule 13d-1(b)

o

Rule 13d-1(c)

x

Rule 13d-1(d)

1

Names of Reporting Persons
RONG360 Inc.

2

Check the Appropriate Box if a Member of a Group

(a) o

(b) o

3

SEC Use Only

4

Citizenship or Place of Organization
Cayman Islands

Number of
Shares
Beneficially
Owned by
Each
Reporting
Person With:

5

Sole Voting Power
345,541,350. See Item 4.

6

Shared Voting Power
0

7

Sole Dispositive Power
345,541,350. See Item 4.

8

Shared Dispositive Power
0

9

Aggregate Amount Beneficially Owned by Each Reporting Person
358,041,350. See Item 4.

10

Check if the Aggregate Amount in Row (9) Excludes Certain Shares  o

11

Percent of Class Represented by Amount in Row (9)
83.4%. See Item 4.

12

Type of Reporting Person
CO

Item 1(a).

Name of Issuer:
Jianpu Technology Inc.

Item 1(b).

Address of Issuers Principal Executive Offices:
21/F Internet Finance Center

Danling Street, Beijing

Peoples Republic of China

Item 2(a).

Name of Person Filing:
RONG360 Inc.

Item 2(b).

Address of Principal Business Office, or, if none, Residence:
21/F Internet Finance Center

Danling Street, Beijing

People's Republic of China

Item 2(c).

Citizenship:
Cayman Islands

Item 2(d).

Title of Class of Securities:
Class A ordinary shares, par value of $0.0001 per share (Class A Ordinary Shares).  The Issuers ordinary shares consist of Class A Ordinary Shares and Class B ordinary shares, par value of $0.0001 per share (Class B Ordinary Shares). The rights of the holders of Class A Ordinary Shares and Class B Ordinary Shares are identical, except with respect to conversion rights and voting rights. Each Class B Ordinary Share is convertible at the option of the holder at any time into one Class A Ordinary Share. Each Class B Ordinary Share is entitled to ten votes per share, whereas each Class A Ordinary Share is entitled to one vote per share.

Item 2(e).

CUSIP No.:
G51390 105

Item 3.

If this statement is filed pursuant to §§240.13d-1(b), or 240.13d-2(b) or (c), check whether the persons filing is a:

Not applicable

Item 4.

Ownership

The following information with respect to the ownership of the Class A Ordinary Shares of the Issuer by the reporting person is provided as of December 31, 2017:

Reporting Person

Amount
beneficially
owned:

Percent of
class:(1)

Sole power to
vote or direct
the vote:

Shared
power to vote
or to direct
the vote:

Sole power to
dispose or to
direct the
disposition of:

Shared power
to dispose or
to direct the
disposition of:

Percentage of
aggregate
voting power

RONG360 Inc.(2)

345,541,350

(3)

83.4

%

345,541,350

(3)

345,541,350

(3)

98.1

%

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

RONG360 Inc.

/s/ Daqing (David) Ye

Name:

Daqing (David) Ye

Title:

Director