UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

~~Securities~~Date ~~Exchange~~of ~~Act~~Report (Date of ~~1934~~Earliest Event Reported): February 27, 2026

Date of Report (Date of Earliest Event Reported): October 12, 2023

TANCHENG GROUP CO., LTD.

(Exact name of registrant as specified in its charter)

Nevada

333-228803

38-4086827

(State or other jurisdiction of

incorporation)

(Commission

File Number)

(IRS Employer

Identification No.)

~~No.~~7th 32Floor, ~~Hexizhuang~~Jincheng ~~Village~~International, ~~Huili~~Jiujinci ~~Township~~Road, ~~Jiaocheng~~Wanbailin ~~County~~District

~~Lvliang~~Taiyuan City, Shanxi Province, P.R. China 030500

(Address of principal executive offices, zip code)

(+86) 139-1097-2765

(Registrant’s telephone number, including area code)

N/A

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

¨	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading Symbol(s)		Name of each exchange on which registered
None		N/A		N/A

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☒☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

~~ITEM~~Item 54.0201. ~~Departure~~Change ofin ~~Directors~~Registrant’s orCertifying ~~Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers~~Accountant.

~~Additional~~(a) Dismissal of Former Independent Registered ~~Board~~Public ~~Member~~Accounting Firm

On ~~October~~February 1227, ~~2023~~2026, the Board of Directors ~~(the “Board”)~~ of ~~the~~Tancheng ~~Company~~Group ~~appointed an additional director~~Co., MsLtd. ~~Longjiao Li, to~~ (the ~~Board.~~“Company”) Asapproved ~~a result,~~ the ~~Board~~dismissal ~~now consists~~ of ~~two~~Onestop ~~members,~~Assurance ~~Mr.~~PAC Yu(“Onestop ~~Yang~~Assurance”) as ~~and~~the ~~Ms.~~Company’s ~~Longjiao~~independent ~~Li.~~registered ~~Ms.~~public ~~Longjiao~~accounting ~~Li will hold office until her successor has been duly elected and qualified~~firm, or ~~until~~effective ~~her resignation, disqualification or removal, whichever occurs first~~immediately.

~~Ms.~~Onestop ~~Longjiao~~Assurance’s ~~Li,~~reports on ~~age~~the 35Company’s financial statements as of and for the years ended December 31, ~~co-founded~~2024 and ~~has~~2023 ~~served at~~contained ~~Shenzhen~~no ~~Qianhai~~adverse ~~Huaxin~~opinion ~~Investment~~or ~~Holdings~~disclaimer of ~~Co.~~opinion, ~~Ltd.~~and ~~since~~were ~~2017.~~not ~~Since~~qualified ~~August~~or ~~2022~~modified as to uncertainty, ~~she~~audit ~~has~~scope, ~~also~~or ~~served~~accounting asprinciples, anexcept ~~independent~~that ~~director~~the audit reports of Onestop Assurance on the ~~board~~financial statements of DTthe ~~Cloud~~Company ~~Acquisition~~as ~~Corporation.~~of ~~Ms.~~and ~~Longjiao~~for Lithe ~~holds~~years aended ~~bachelor’s~~December ~~degree~~31, in2024 ~~bioengineering~~and ~~from~~2023 ~~Shaanxi~~included ~~University~~an Emphasis of ~~Science~~Matter paragraph and ~~Technology~~an explanatory paragraph that described factors that raised substantial doubt about the Company’s ability to continue as a going concern.

~~There~~During isthe fiscal years ended December 31, 2024 and 2023, and in the subsequent interim period through February 27, 2026, (i) there were no ~~family~~disagreements ~~relationship~~with ~~that~~Onestop Assurance ~~exists~~(within ~~between~~the ~~Ms.~~meaning ~~Longjiao~~of LiItem 304(a)(1)(iv) of Regulation S-K (“Regulation S-K”) of the rules and regulations of the U.S. Securities and Exchange Commission (the “SEC”)) on any ~~other~~matter ~~director~~of accounting principles or ~~executive~~practices, ~~officer~~financial statement disclosure, or auditing scope or procedure that if not resolved to Onestop Assurance’s satisfaction, would have caused Onestop Assurance to make reference to the subject matter of the disagreements in connection with its reports; and (ii) there were no reportable events (as defined by Item 304(a)(1)(v) of Regulation S-K), except for the material weaknesses in the Company’s internal control over financial reporting previously disclosed in the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2024. ~~Except~~As aspreviously disclosed, ~~herein~~the following control deficiencies were identified that represent material weaknesses as of December 31, ~~there~~2024: ~~are~~(i) nothe ~~arrangements~~Company does not have an adequate internal control structure or ~~understandings~~adequate ~~between~~oversight Msover financial reporting. The ~~Longjiao~~Company Lihad only a sole director and executive officer before October 12, 2023. Further, the Company currently has no Audit Committee. ~~any~~While ~~other~~not ~~persons~~being ~~pursuant~~legally obligated to ~~which~~have ~~she~~an ~~was~~audit ~~selected~~committee, asit is the management’s view that such a ~~director~~committee, ~~nor~~including ~~are~~a ~~there~~financial expert ~~related~~member, ~~party~~is ~~transactions~~an ~~between~~utmost important entity level control over the Company’s ~~and~~financial Msstatement. Currently the Board of Directors ~~Longjiao~~acts Liin the capacity of the Audit Committee, and does not include a member that ~~would~~is ~~require~~considered ~~disclosure~~to ~~under~~be ~~Item~~independent ~~404~~of management to provide the necessary oversight over management’s activities; (aii) the Company lacks appropriate information technology controls. As of December ~~Regulation~~31, S2024, the Company retained copies of all financial data and material agreements; however, there is no formal procedure or evidence of normal backup of the Company’s data or off-K.site storage of data in the event of theft, misplacement, or loss due to unmitigated factors.

~~Officer~~In ~~Appointments~~accordance with Item 304(a)(3) of Regulation S-K, on February 27, 2026, the Company provided Onestop Assurance with a copy of the foregoing disclosures and requested that Onestop Assurance provide a letter addressed to the SEC stating whether it agrees with such disclosures. A copy of Onestop Assurance’s letter dated February 28, 2026 is filed as Exhibit 16.1 to this Current Report on Form 8-K.

On(b) ~~October~~Appointment ~~12, 2023, the Board appointed Mr. Yu Yang, currently the Company’s Chief Executive Officer, President, Chief Financial Officer, Secretary, and Treasurer, as the Company’s Chairman~~ of ~~the~~New ~~Board.~~Independent ~~The~~Registered ~~Board also appointed Ms. Caixia Zhang as the Company’s Chief Financial Officer and Ms. Ping Li as the~~Public ~~Company’s~~Accounting ~~Secretary. Upon Ms. Caixia Zhang’s appointment, Mr. Yu Yang will automatically resign as the Company’s Chief Financial Officer.~~Firm

~~Ms.~~On ~~Caixia~~February ~~Zhang~~27, ~~age 63~~2026, isthe ~~currently serving~~Board asof Directors of the ~~chief~~Company ~~financial~~approved ~~officer~~the appointment of Guangdong Prouden CPAs GP (“Guangdong Prouden”) as the Company’s new ~~Chinese~~independent ~~subsidiary,~~registered ~~Shanxi~~public ~~Qiansui~~accounting ~~Tancheng~~firm ~~Culture~~for ~~Media~~the ~~Co.~~fiscal year ending December 31, ~~Ltd~~2025. ~~(“Qiansui~~During the Company’s two most recent ~~Media”).~~fiscal ~~She~~years ~~has~~ended ~~served~~December as31, a2024 ~~director~~and 2023, and ~~deputy~~the ~~general~~subsequent ~~manager~~interim ofperiod ~~Quantianhou~~through February 27, 2026, neither the Company nor anyone acting on its behalf consulted with Guangdong Prouden with respect to either (~~Hainan~~i) ~~Network~~the ~~Esports~~application ~~Co.~~of accounting principles to a specified transaction, ~~Ltd.~~either ~~since~~completed ~~2018.~~or ~~Ms.~~proposed, or the type of audit opinion that might be rendered on the consolidated financial statements ~~Caixia~~of ~~Zhang~~the ~~holds~~Company, and no written report or oral advice was provided by Guangdong Prouden to the Company that Guangdong Prouden concluded was an ~~associate~~important ~~degree~~factor ~~from~~considered ~~Taiyuan~~by ~~Radio~~the ~~and~~Company ~~Television~~in ~~University~~reaching a decision as to the accounting, auditing or financial reporting issue, or (ii) any matter that was the subject of either a disagreement (as defined in Item 304(a)(1)(iv) of Regulation S-K) or a reportable event (as described in Item 304(a)(1)(v) of Regulation S-K).

~~There~~Item ~~is no family relationship that exists between Ms~~9.01. ~~Caixia~~Financial ~~Zhang~~Statements and ~~any other director or executive officer of the Company, except that Ms~~Exhibits. ~~Caixia Zhang is Mr. Yu Yang’s mother.~~

~~Except as disclosed below, there are no related party transactions between the Company and Ms. Caixia Zhang that would require disclosure under Item 404~~(ad) ~~of Regulation S-K:~~Exhibits

Effective February 10, 2023, pursuant to an Assignment of Shares agreement, Qiansui Media assigned 2,800,000 shares of the Company’s common stock to Zhan Jue Cheng Limited, a British Virgin Islands company controlled by Mr. Yang, and 700,000 shares of the Company’s common stock to Zhang Caixia Limited, a British Virgin Islands company controlled by Ms. Caixia Zhang.

Exhibit No.		Description
16.1		Letter from Onestop Assurance PAC, dated February 28, 2026
104		Cover Page Interactive Data File (the cover page XBRL tags are embedded within the inline XBRL document)

On March 14, 2023, the Company entered into a definitive Contribution Agreement (the “Contribution Agreement”) with Zhan Jue Cheng Limited, a British Virgin Islands company controlled by our CEO, Mr. Yu Yang, and Zhang Caixia Limited, a British Virgin Islands company controlled by, Ms. Caixia Zhang (collectively, the “Contributors”), who together own 100% of the issued and outstanding ordinary shares of Qiansui International (the “Contributed Shares”). Pursuant to the Contribution Agreement, the Contributors agreed to contribute all of their rights, title and interests in and to the Contributed Shares to the Company (the “Contribution”). On March 20, 2023, the Contribution was completed.2

Ms. Ping Li, age 33, currently serves as the secretary of Qiansui Media. From 2013 to 2016, Ms. Ping Li served as the administrative director of Shanxi Jiuniu Livestock Co., Ltd. She received a bachelor's degree from Zhongbei University and holds an Enterprise Human Resources Management Specialist Level 3 certificate.SIGNATURES

~~There~~Pursuant ~~is no~~to ~~family~~the ~~relationship~~requirements ~~that exists between Ms. Ping Li and any other director or executive officer~~ of the ~~Company.~~Securities Exchange ~~Except~~Act asof ~~disclosed herein~~1934, ~~there~~the ~~are~~registrant nohas ~~related~~duly ~~party~~caused ~~transactions~~this ~~between~~report ~~the~~to ~~Company~~be ~~and~~signed ~~Ms.~~on ~~Ping~~its ~~Li that~~behalf ~~would~~by ~~require~~the ~~disclosure~~undersigned ~~under~~hereunto ~~Item~~duly ~~404(a) of Regulation S-K~~authorized.

	Tancheng Group Co., Ltd.

Dated: February 28, 2026	By:	/s/ Yu Yang
	Name:	Yu Yang
	Title:	Chief Executive Officer

~~SIGNATURES~~3

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: October 12, 2023	Tancheng Group Co., Ltd.
	/s/ Yu Yang
	Name: Yu Yang
	Title: Chief Executive Officer

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