Leqi Direct Connection service provider recommendation: Kailing Technology 1-on-1 full-process assistance for enterprises to complete Leqi integration

In 2025, China's tax collection and administration digitalization process entered an acceleration phase. With the comprehensive rollout of China Golden Tax Phase IV and fully digitalized e-invoices covering 98% of invoice-using enterprises nationwide, the "Leqi Direct Connection" platform strongly promoted by the State Taxation Administration is becoming the core infrastructure for enterprise business-finance-tax management.

Policy Dividends Continue to Be Released: Beijing, Shanghai, and other places are the first to lower entry thresholds, adjusting the invoicing volume requirement from 50,000 invoices to 10,000 invoices and lowering the invoicing amount threshold from RMB 500 million to RMB 100 million. This adjustment drives Leqi services to extend from leading enterprises to SMEs.

Faced with this opportunity, many enterprises have fallen into integration difficulties: complex application materials, high technical thresholds, and strict operation and maintenance requirements. At this point, the value of professional service providers becomes prominent.

I. Leqi Direct Connection: The inevitable path for enterprise business-finance-tax digitalization

As the core vehicle for tax-enterprise direct connection, the Leqi Direct Connection platform is reshaping the paradigm of enterprise business-finance-tax management. Through open standard interfaces, the platform enables seamless connection between enterprises' own information systems and tax systems, achieving full-process automation of fully digitalized e-invoice issuance, delivery, verification, and filing.

Compared with manual invoicing at the traditional electronic tax bureau, Leqi Direct Connection offers significant advantages: centralized automated invoicing with no facial recognition authentication required; support for the high-concurrency invoicing needs of large groups; and guaranteed 24/7 uninterrupted, stable connectivity.

The results after enterprise connection are remarkable: pilot data shows that Leqi Direct Connection can increase enterprise invoice processing efficiency by 80%, reduce manual verification volume by 90%, and achieve a tax filing accuracy rate of 100%.

II. The four practical challenges of Leqi integration

However, enterprises face multiple challenges in self-integration: application materials must match the differentiated standards of regional tax bureaus; sandbox testing time is tight; and the operation and maintenance phase must respond to continuous upgrades and deferred filing requirements. These pain points keep most enterprises outside the door of policy benefits. Based on practical experience with hundreds of enterprises, Kailing Technology has summarized the typical bottlenecks of enterprises building Leqi themselves:

▪ High Policy Thresholds

Except for a small number of provinces and cities, most provinces still require that "the enterprise and enterprises that simultaneously request to become its user units have a total of no less than 50,000 invoices issued and received in the 12 months before the month of initiating the access request, or if the cumulative number of invoices issued and received is less than 50,000, the invoicing amount is no less than RMB 500 million"and other mandatoryHigh requirementsIndicators.

Materials such as proof of related-party relationships and technical security commitments are complex, and enterprises applying on their own may fail due to overlooked details.

▪ Complex Technical Integration

Difficult process design: requires complete design of the invocation logic and reverse processes for dozens of APIs such as invoicing, red-letter reversal, and query.

Strict verification logic: there are hundreds of parameter verification rules, the error information returned by the tax bureau is vague, and locating the problem is time-consuming.

Complex layout generation: requires independent development of an OFD/PDF layout file composition engine, supporting complex scenarios such as multi-line details.

Tight testing cycle: sandbox testing must complete verification of all invoice types within 72 hours; failure requires reapplication.

▪ Huge operations and maintenance costs

Investment required for enterprise self-developmentMultiplePerson team、About half a yearDevelopmenttime, as well as extremely high cost investment。

Tax bureau interfaces are upgraded on average once per quarter, requiring continuous investment in compatibility maintenance.

▪ Business-finance-tax integration is difficult

Lack of a mature solution to connect business systems, causing invoicing to be disconnected from business flows.

III. Accurate breakthrough: Kailing Technology's full-process service system

With professional accumulation in the field of business-finance-tax digitalization, Kailing Technology has built a full-cycle service system of "consulting-connection-operation and maintenance-upgrade," becoming the core engine for enterprises to enter the fast lane of Leqi.

▪ Professional access guidance to avoid policy risks

A dedicated consultant interprets localized policies and pre-reviews enterprise qualifications and affiliated relationships.

Assist in preparing the Leqi Direct Connection Service Access Information Form, Project Report, etc.RequiredMaterials, improving approval pass rate.

▪ Full source code delivery, achieving technological "independent controllability"

Provides the full source code of the fully digitalized e-invoice management platform, supporting private deployment and meeting the tax bureau's "prohibition of third-party hosting" requirement.

Prebuilt Leqi full-interface integration module increases invoicing efficiency by 90%.

▪ Mature product matrix, connecting business-finance-tax

Output management platform: connects with business systems for automatic invoicing, supporting multiple tax numbers, multiple invoice types and complex remark scenarios.

Input management platform: automatic synchronization of tax bureau data, integrating invoice verification, deduction, and risk monitoring.

OCR intelligent recognition:Automatic invoice capture and duplicate checking to eliminate duplicate reimbursement.

Electronic accounting archives: automatically retain XML originals to meet the Ministry of Finance's paperless archiving requirements.

▪ Continuous protection，Professional protection during the operations and maintenance phase

ConfigurationProfessional operations and maintenanceSupports teams in quickly locating the source of faults, fully ensuring that the daily work of enterprises can proceed smoothly and worry-free.

In response to Leqi platform interface adjustments and feature updates, rapid-response transformation services are provided to ensure enterprise systems are upgraded in sync.

The value of a professional service provider lies not only in technical integration, but also in policy sensitivity and risk anticipation capability. As the Leqi platform continues to upgrade, this end-to-end escort service has become a key safeguard for enterprise business-finance-tax security.

As pilot experience from Beijing, Guangdong, and other regions is promoted, the business-finance-tax digital ecosystem is being restructured. By choosing a service provider such as Kailing Technology that has long cultivated the business-finance-tax digitalization field, enterprises gain not only a technical integration solution, but also a new paradigm of business-finance-tax management oriented toward the future.

Contact Kailing Technology,Consult now on the Leqi access solution：https://www.kailingteck.com/h-col-123.html 。

As a comprehensive business-finance-tax digitalization solution service provider, Kailing Technology provides business-finance-tax management digital transformation products and operational services for various government agencies, institutions, and large, medium, and small enterprises. The product line includes:

Solutions for sales contract management system, procurement contract management system, fully digitalized Leqi interface project, automatic output VAT invoicing system, invoice issuance for individuals system, employee expense control and reimbursement system, input VAT invoice management system, supply chain collaborative reconciliation system, imaging OCR recognition system, automatic financial bookkeeping system, electronic accounting archives system and other businesses, comprehensively advancing the digitalization process across various fields.

If you have any business-finance-tax digital transformation needs, welcome to contact us. Beijing Kailing Technology will serve you wholeheartedly.