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Xi'an Shenghongchuang Instrument Co., Ltd.
Contact: Mr. Zhang
Mobile: 15529283736
Email: shc-sensor@qq.com
Address: Fortune Building, Sanqiao Street, Xixian New Area, Xi'an, Shaanxi Province
On 2026年5月5日, Zhongke Jincai's invention patent for the ‘Large-Model-Enhanced OCR Recognition Method’ was officially granted authorization. This technology focuses on AI recognition of unstructured documents such as sensor nameplates, calibration certificates, and anti-counterfeiting labels, significantly improving text recognition accuracy to 99.2% in complex scenarios involving mixed Chinese and English text, blur, glare, tilt, and similar conditions. Export freight forwarders, third-party inspection agencies, and others have already integrated this capability, shortening the pre-review cycle for international certification documents such as CE/NIST/NVLAP by 70%, with a corresponding reduction in customs clearance delay risks. It has direct reference value for manufacturing enterprises engaged in export business with high compliance requirements, inspection service providers, and supply chain service providers.
On 2026年5月5日, Zhongke Jincai received authorization from the National Intellectual Property Administration for the invention patent titled ‘Large-Model-Enhanced OCR Recognition Method’. This patent combines the semantic understanding capabilities of large language models with multi-font robustness training strategies, specifically designed to improve optical character recognition accuracy for unstructured documents such as sensor nameplates, metrology calibration certificates, and product anti-counterfeiting labels. Actual testing achieved a recognition accuracy of 99.2% under conditions of mixed Chinese and English text and low-quality images (including blur, glare, and tilt). At present, this technology has been deployed in the systems of multiple export freight forwarding companies and third-party inspection and testing agencies, supporting automated pre-review of international certification documents such as CE, NIST, and NVLAP, with average pre-review time shortened by 70%.
Such enterprises often need to prepare and submit customs declaration/certification materials for sensor-related equipment on their own, including nameplate information, calibration certificates, and declarations of conformity. Improved OCR recognition accuracy can reduce manual review workload and lower the risk of document rejection or inspection delays caused by misreading nameplate text (such as misalignment of model numbers, serial numbers, and calibration dates). The impact is mainly reflected in the initial document review pass rate, response efficiency for returned documents, and compliance cost control.
Their factory nameplates and accompanying calibration certificates come in diverse formats, with inconsistent print quality, and often include bilingual Chinese-English text, special symbols, and micro fonts. Traditional OCR is prone to missed recognition or misjudgment of key fields (such as CNAS numbers and calibration validity periods), affecting downstream customers' customs clearance progress. The robust recognition capability enhanced by this patent can help mitigate the associated compliance risks caused by fluctuations in the quality of upstream document output.
As hubs for document circulation, such organizations need to process heterogeneous certificate documents from different manufacturers in batches. Improved recognition accuracy directly compresses document preprocessing time and enhances the formal review efficiency of certification materials such as CE/NIST/NVLAP. The impact is reflected in improved per-capita productivity, shortened customer delivery cycles, and reduced joint liability risks caused by recognition errors.
At present, the patent has been connected to some freight forwarding and inspection agency systems, but it has not been disclosed whether standardized APIs or SaaS service interfaces will be provided. Relevant enterprises should continue following Zhongke Jincai's official channels for explanations regarding the external service capabilities of this OCR function, and assess the technical path and implementation cycle for integrating it with their own IT systems.
Based on your own export product types (such as pressure sensors, temperature and humidity transmitters, etc.), identify key fields in nameplates and calibration certificates that are prone to misreading (such as calibration standard reference numbers, uncertainty values, and abbreviations of issuing institutions), form an internal review checklist, and prioritize manual comparison and verification of OCR recognition results before submission to downstream parties.
This patent is an upgrade of a recognition tool and does not change the regulatory requirements of certifications such as CE/NIST/NVLAP themselves. Enterprises must make it clear: improved OCR accuracy helps pass the formal review of documents, but it cannot replace substantive compliance judgments such as the validity of original calibration and the coverage scope of qualifications. Technical assistance must not be equated with compliance exemption.
OCR performance is highly dependent on input image quality. It is recommended to formulate simple guidelines for the photographing of commonly used nameplates/certificates (such as fixed focal length, avoiding strong glare angles, and keeping the text area centered), and during the internal trial phase, compare differences in recognition results under different shooting methods to optimize the front-end image collection process.
Observably, the approval of this patent is more appropriately understood as a concrete step forward in AI-enabled cross-border compliance infrastructure, rather than an isolated event representing a technological breakthrough by a single enterprise. Analysis shows that its core value lies in bringing the semantic understanding capabilities of large models down into the underlying OCR recognition process, in order to address the long-standing “similar in form but different in meaning” problem in industrial documents (such as ‘O’ and ‘0’, ‘l’ and ‘1’, and ambiguity in calibration date formats) in a targeted manner. From an industry perspective, it marks a transition in high-compliance-threshold fields from “manual labor + rule engine” to “large models + robust perception”; what currently deserves more attention is the stability of this technology's invocation in actual business systems, its generalization capability in multilingual mixed scenarios, and whether a reusable industry recognition template library can be formed. The industry needs to continue observing its deployment pace in more inspection institutions and port systems, rather than focusing only on the patent itself.
Conclusion: The authorization of Zhongke Jincai's OCR patent reflects that AI technology in cross-border trade document processing is moving from general-purpose recognition toward deeper vertical specialization. Its significance lies not in replacing manual review, but in reducing low-level recognition errors and freeing professional manpower for higher-value compliance judgments. At present, it is more appropriate to understand it as a tool-oriented advancement with clear implementation scenarios and proven effectiveness at some nodes. Enterprises should evaluate adaptation possibilities with a pragmatic attitude, rather than treating it as a signal of policy- or standard-level change.
Source note: patent authorization announcement of the National Intellectual Property Administration (patent number pending disclosure), and Zhongke Jincai official news release (published on 2026年5月5日). Items for continued observation: whether this OCR capability will open standardized access services to small and medium-sized enterprises, and the possibility of integration into the customs single window or the international trade “single window” platform.
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