Exhibit 5.2

Legal Opinion

Date:

July 24, 2026

To:

Julong Holding Limited (the “Company”)

Palm Grove Unit 4, 265 Smith Road

George Town, P.O. Box 52A Edgewater Way

#1653, Grand Cayman KY1-9006

Cayman Islands

Dear Sirs or Madams

We are lawyers qualified in the People’s Republic of China (the “PRC” or “China”, for the purpose of this opinion, excluding the Hong Kong Special Administrative Region, the Macao Special Administrative Region and Taiwan) and as such are qualified to issue this opinion on the laws and regulations of the PRC effective as of the date hereof.

We are acting as the PRC legal counsel to Julong Holding Limited (the “Company”), a company incorporated under the laws of the Cayman Islands, in connection with the registration statement on Form F-3 (the “Registration Statement”) filed by the Company with the United States Securities and Exchange Commission under the U.S. Securities Act of 1933 (as amended), in relation to the proposed offering up to US$200,000,000 or its equivalent in any other currency, currency units, or composite currency or currencies, of the Company’s Class A ordinary shares, par value US$0.0001 per share, preferred shares, warrants to purchase Class A ordinary shares, debt securities, subscription rights and a combination of such securities, separately or as units.

A. Documents and Assumptions

	1.	In rendering this opinion, we have examined copies of the Registration Statement and other documents (collectively the “Documents”) as we have considered necessary or advisable for the purpose of rendering this opinion. Where certain facts were not independently established and verified by us, we have relied upon appropriate representatives of the Company and the PRC Entities (as defined below).

	2.	In rendering this opinion, we have made the following assumptions (the “Assumptions”):

	(1)	all signatures, seals and chops are genuine, each signature on behalf of a party thereto is that of a person duly authorized by such party to execute the same, all Documents submitted to us as originals are authentic, and all Documents submitted to us as certified or photostatic copies conform to the originals;

	(2)	each of the parties to the Documents, (a) if a legal person or other entity, is duly organized and is validly existing in good standing under the laws of its jurisdiction of organization and/or incorporation, or (b) if an individual, has full capacity for civil conduct, and has full power and authority to execute, deliver and perform its, her or his obligations under the Documents to which it, she or he is a party, and, if a legal person or other entity, in accordance with the laws of its jurisdiction of organization and/or the laws that it, she or he is subject to;

	(3)	the Documents presented to us remain in full force and effect on the date of this opinion and have not been revoked, amended or supplemented, and no amendments, revisions, supplements, modifications or other changes have been made, and no revocation or termination has occurred, with respect to any of the Documents after they were submitted to us for the purposes of this opinion;

	(4)	the laws of jurisdictions other than the PRC which may be applicable to the execution, delivery, performance or enforcement of the Documents are complied with;

	(5)	all requested Documents have been provided to us and all factual statements made to us by the Company and the PRC Entities in connection with this opinion are true, correct and complete;

	(6)	all explanations and interpretations provided by government officials duly reflect the official position of the relevant Governmental Agencies and are complete, true and correct;

	(7)	each of the Documents is legal, valid, binding and enforceable in accordance with their respective governing laws in any and all respects; and

	(8)	all Governmental Authorizations (as defined below) and other official statements and documentation obtained by the Company or any PRC Entity from any Governmental Agency have been obtained by lawful means in due course, and the Documents provided to us conform with those documents submitted to Governmental Agencies for such purposes.

In addition, we have assumed and have not verified the truthfulness, accuracy and completeness as to the factual matters of each Document we have reviewed.

B. Definitions

In addition to the terms defined in the context of this opinion, the following capitalized terms used in this opinion shall have the meanings ascribed to them as follows:

1.	“Governmental Agency” means any national, provincial or local governmental, regulatory or administrative authority, agency or commission in the PRC, or any court, tribunal or any other judicial body or arbitral body in the PRC, or any body exercising, or entitled to exercise, any administrative, judicial, legislative, law enforcement, regulatory, or taxing authority or power of a similar nature in the PRC (collectively, the “Governmental Agencies”);

2.	“Governmental Authorizations” means any license, approval, consent, waiver, certificate, authorization, filing, declaration, disclosure, registration, exemption, permission, endorsement, annual inspection, clearance, qualification, permit or license by, from or with any Governmental Agency pursuant to any PRC Laws;

3.	“PRC Entities” means, collectively, all entities listed in Appendix A hereof, and each, a “PRC Entity”;

4.	“PRC Laws” means all applicable national, provincial and local laws, statutes, regulations, orders, decrees, notices, circulars, judicial interpretations and other legislations of the PRC effective and available to the public as of the date hereof.

C. Opinions

Based on our review of the Documents and subject to the disclosures contained in the Registration Statement, the Assumptions and the Qualifications set out below, we are of the opinion that, as of the date hereof:

Taxation.

The statements made in the Registration Statement under the caption “Taxation” with respect to the PRC tax laws and regulations, constitute true and accurate descriptions of the matters described therein in all material respects.

D. Our opinion expressed above is subject to the following qualifications (the “Qualifications”):

Our opinion is limited to the PRC laws of general application on the date hereof. For the purpose of this opinion only, the PRC or China shall not include the Hong Kong Special Administrative Region, the Macau Special Administrative Region or Taiwan. We have made no investigation of, and do not express or imply any views on, the laws of any jurisdiction other than the PRC, and we have assumed that such other laws or regulations would affect our opinions expressed above.

2.	The PRC laws and regulations referred to herein are laws and regulations publicly available and currently in force on the date hereof and there is no guarantee that any of such laws and regulations, or the interpretation or enforcement thereof, will not be changed, amended or revoked in the future with or without retrospective effect.

3.	Our opinion is subject to (i) applicable bankruptcy, insolvency, fraudulent transfer, reorganization, moratorium or similar laws in the PRC affecting creditors’ rights generally, and (ii) possible judicial or administrative actions or any PRC Laws affecting creditors’ rights.

4.	Our opinion is subject to the effects of (i) certain legal or statutory principles affecting the validity and enforceability of contractual rights generally under the concepts of public interest, social ethics, national security, good faith, fair dealing, and applicable statutes of limitation, (ii) any circumstance in connection with the formulation, execution or performance of any legal documents that would be deemed materially mistaken, clearly unconscionable, fraudulent, coercionary or concealing illegal intentions with a lawful form, (iii) judicial discretion with respect to the availability of specific performance, injunctive relief, remedies or defenses, or calculation of damages, and (iv) the discretion of any competent PRC legislative, administrative or judicial bodies in exercising their authority in the PRC.

5.	This opinion is issued based on our understanding of the current PRC Laws. For matters not explicitly provided under the current PRC Laws, the interpretation, implementation and application of the specific requirements under PRC Laws, as well as their application to and effect on the legality, binding effect and enforceability of certain contracts, are subject to the final discretion of competent PRC legislative, administrative and judicial authorities, and there can be no assurance that the Government Agencies will not take a view that is contrary to or otherwise different from our opinion stated herein.

6.	The term “enforceable” or “enforceability” as used in this opinion means that the obligations assumed by the relevant obligors under the relevant Documents are of a type which the courts of the PRC may enforce. It dose not mean that those obligations will necessarily be enforced in all circumstances in accordance with their respective terms and/or additional terms that may be imposed by the courts. As used in this opinion, the expression “to our knowledge” or similar language with reference to matters of fact refers to the current, actual knowledge of the attorneys of this firm who have worked on matters for the Company and the PRC Entities in connection with this opinion. We may rely, as to matters of fact (but not as to legal conclusions), to the extent we deem proper, on certificates, statements and confirmations made by the responsible officers of the Company, the PRC Entities and/or the Governmental Agencies.

7.	We have not undertaken any independent investigation, search or other verification action to determine the existence or absence of any fact or to prepare this opinion, and no inference as to our knowledge of the existence or absence of any fact should be drawn from our representation of the Company or the PRC Entities or the rendering of this opinion.

8.	This opinion is intended to be used in the context which is specifically referred to herein; each paragraph shall be construed as a whole and no part shall be extracted and referred to independently.

The opinion expressed herein is solely for the benefit of the Company and without our prior written consent, neither our opinions nor this opinion may be disclosed to or relied upon by any other person. We hereby consent to the use of this opinion in, and the filing hereof as an exhibit to the Registration Statement, and to the reference to our name in such Registration Statement.

This opinion is strictly limited to the matters stated herein and no opinion is implied or may be inferred beyond the matters expressly stated herein. The opinion expressed herein is rendered only as of the date hereof, and we assume no responsibility to advise you of facts, circumstances, events or developments that hereafter may be brought to our attention and that may alter, affect or modify the opinion expressed herein.

[SIGNATURE PAGE]

Yours faithfully,

/s/ Beijing Dacheng Law Offices, LLP
Beijing Dacheng Law Offices, LLP

APPENDIX A

List of the PRC Entities

1. Julong Online (Beijing) Technology Development Co., Ltd. (“巨龙在线（北京）科技发展有限公司” in Chinese)

2. Beijing Junxinyuan Technology Development Co., Ltd. (“北京君信源科技发展有限公司” in Chinese)