UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

o

Rule 13d-1(b)

o

Rule 13d-1(c)

x

Rule 13d-1(d)

1

Name of Reporting Person
Niu Holding 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
British Virgin Islands

Number of
Shares
Beneficially
Owned by
Each
Reporting
Person With

5

Sole Voting Power
 14,027,020

6

Shared Voting Power
0

7

Sole Dispositive Power
14,027,020

8

Shared Dispositive Power
0

9

Aggregate Amount Beneficially Owned by Each Reporting Person
14,027,020

10

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

11

Percent of Class Represented by Amount in Row 9
9.4%. *The voting power of the shares beneficially owned represent 26.6% of the total outstanding voting power.

12

Type of Reporting Person
CO

1

Name of Reporting Person
Token Yilin Hu

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
People’s Republic of China

Number of
Shares
Beneficially
Owned by
Each
Reporting
Person With

5

Sole Voting Power
12,027,020

6

Shared Voting Power
0

7

Sole Dispositive Power
12,027,020

8

Shared Dispositive Power
0

9

Aggregate Amount Beneficially Owned by Each Reporting Person
12,027,020

10

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

11

Percent of Class Represented by Amount in Row 9
8.1%. *The voting power of the shares beneficially owned represent 22.8% of the total outstanding voting power.

12

Type of Reporting Person
IN

Item 1(a).

Name of Issuer:

Niu Technologies (the “Issuer”)

Item 1(b).

Address of Issuer’s Principal Executive Offices:

No. 10 Wangjing Street, Building A, 11/F , Chaoyang District, Beijing 100102, People’s Republic of China

Item 2(a).

Name of Person Filing:

Niu Holding Inc.

Token Yilin Hu

(collectively, the “Reporting Persons”)

Item 2(b).

Address of Principal Business Office or, if none, Residence:

Niu Holding Inc.

Vistra Corporate Services Centre, Wickhams Cay II, Road Town, Tortola, British Virgin Islands VG1110

Token Yilin Hu

c/o No. 10 Wangjing Street, Building A, 11/F Chaoyang District, Beijing 100102, People’s Republic of China

Item 2(c)

Citizenship:

Niu Holding Inc. — British Virgin Islands

Token Yilin Hu — People’s Republic of China

Item 2(d).

Title of Class of Securities:

Ordinary shares, $0.0001 par value per share, of the Issuer

The Issuer’s ordinary shares consist of Class A ordinary shares and Class B ordinary shares. Each holder of Class A ordinary shares is entitled to one vote per share and each holder of Class B ordinary shares is entitled to four votes per share on all matters submitted to them for vote. Class B ordinary shares are convertible at any time by the holder thereof into Class A ordinary shares on a one-for-one basis. Class A ordinary shares are not convertible into Class B ordinary shares under any circumstances.

Item 2(e).

CUSIP Number:

65481N 100

This CUSIP number applies to the American depositary shares of the Issuer, each representing two Class A ordinary shares of the Issuer. No CUSIP has been assigned to the ordinary shares.

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 ordinary shares of par value of $0.0001 per share of Issuer by each of the Reporting Persons is provided as of December 31, 2018:

Reporting Person

Amount
beneficially
owned:

Percent of
class:

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:

Niu Holding Inc.

14,027,020

9.4

%

14,027,020

0

14,027,020

0

Token Yilin Hu

12,027,020

8.1

%

12,027,020

0

12,027,020

0

As of December 31, 2018, Niu Holding Inc., a BVI business company, held 14,027,020 Class B ordinary shares of the Issuer. Niu Holding Inc. is 85.7% owned by Mr. Token Yilin Hu, a director and vice president of the Issuer, and 14.3% owned by Mr. Carl Chuankai Liu, a vice president of the Issuer. According to the arrangement between two shareholders of Niu Holding Inc., Mr. Token Yilin Hu beneficially owned 12,027,020 Class B ordinary shares out of the 14,027,020 ordinary shares held by Niu Holding Inc., and Mr. Carl Chuankai Liu beneficially owned the remaining Class B ordinary shares out of those held by Niu Holding Inc.

The percentage of class of securities beneficially owned by each of the Reporting Persons as of December 31, 2018 is based on a total of 148,674,058 outstanding ordinary shares (being the sum of 128,032,038 Class A ordinary shares and 20,642,020 Class B ordinary shares) of the Issuer outstanding  as a single class as of December 31, 2018, assuming conversion of all Class B ordinary shares into Class A ordinary shares. Class B ordinary shares are convertible at any time by the holder thereof into Class A ordinary shares on a one-for-one basis, whereas Class A ordinary shares are not convertible into Class B ordinary shares under any circumstances.

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 Controlling 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

Exhibit No.

Description

A

Joint Filing Agreement

Dated: January 30, 2019

NIU HOLDING INC.

By:

/s/Token Yilin Hu

Name:

Token Yilin Hu

Title:

Director

TOKEN YILIN HU

/s/Token Yilin Hu

NIU HOLDING INC.

By:

/s/Token Yilin Hu

Name:

Token Yilin Hu

Title:

Director

TOKEN YILIN HU

/s/Token Yilin Hu