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Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- State Intellectual Property Office of China has published Nanjing University of Technology patent application for Relay Charging Type Parallel Envelope Tracking Power Supply with Multiplexed Input Source. The invention was developed by Xi Huan, Miao Xiaodong, Zhang Xiaolin and Ouyang Huimin. The patent applic..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- State Intellectual Property Office of China has released Shanghai Jiaqi Intelligent Tech Co Ltd patent application for Virtual Power Plant Optimization Scheduling System Considering Demand Response and Carbon Transaction. This invention was developed by Sun Weiqing, Yang Wenwei, Yang Jiayi and Zou Yang. The..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- Yancheng Zhongtuo Information Tech Co Ltd has submitted a patent application for Energy Scheduling Method, System and Equipment for Carbon Transaction and Green Electricity Transaction, and Medium. This invention was developed by Jiang Cuiling and Zhang Zongfeng. The patent application number is CN202610420..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- Inner Mongolia University of Technology has filed a patent application for Distributed Energy Transaction Method Based on Data Center Microgrid. This invention was developed by Wan Jianxiong and Hao Qian. The patent application number is CN202610422369 20260401. The patent publication number is CN122315794 (A..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- State Grid Shanghai Municipal Electrical Power has submitted a patent application for Doubly-fed Motor Grid-connected Frequency Control Method Based on Fractional Order Adaptive VSG. Qi Yuchen, Yin Junda, Song Tianli, Qian Chen, Huang Ruanming, Zhu Yaoliang and Jiang Yumeng developed the invention. The pate..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- Shandong Taikai Kiosk Co Ltd has sought patent for Split Type Outdoor Low-voltage Cabinet for Photovoltaic Box Transformer Substation Suitable for Overseas Market. This invention was developed by Liu Taikang, Chen Yanguang, Zhang Sheng, Zhang Jingze, Wang Qian, Shi Zhenlei, Zhu Zhaoheng and Zhang Jing. The ..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- Huaneng Information Tech Co Ltd has submitted a patent application for Power Transaction Training System. This invention was developed by Zhu Mingliang, Xu Haitao, Cheng Shuai and Zhang Ning. The patent application number is CN202610166138 20260205. The patent publication number is CN122312335 (A). Internat..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- Shenzhen Kuaxintong Tech Co Ltd has filed a patent application for Cross-border Tax Declaration Change Method and System. This invention was developed by Peng Lin, Shu Shilong, Liao Meiyang, Zhu Heguo and Chen Shoubao. The patent application number is CN202610415253 20260331. The patent publication number i..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- State Intellectual Property Office of China has released Taikang Pension & Insurance Co Ltd and Taikang Insurance Group Co Ltd patent application for Annuity Market Risk Intelligent Early Warning Method and Device Based on Large Model. This invention was developed by Gao Yuan, Wang Yaxin, Sun Baohui and Shi Qi..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- China Life Insurance Co Limited has submitted a patent application for Intelligent Generation Method and Device of Insurance Field Decision Analysis Report. This invention was developed by Yang Qunjie. The patent application number is CN202610203420 20260212. The patent publication number is CN122312306 (A)..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- State Intellectual Property Office of China has received Dalian University of Technology patent application for Multi-modal Deep Interactive Asset Pricing Method Adaptive to High-frequency Market Data. Xu Xiaoli, Hu Lintao, Qian Chen, Gong Haoran, Zhu Haoran, Guo Yanhong, Ye Xin, Zhang Lei, Song Jiabao, Li Yao..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- Hainan Normal University has submitted a patent application for Demand-driven Data Asset Dynamic Valuation Method and System. This invention was developed by Wu Xu. The patent application number is CN202610308500 20260313. The patent publication number is CN122312298 (A). International Patent Classification c..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- State Intellectual Property Office of China has published Changchun Inst Technology patent application for Distributed Green Electricity Transaction Supervision Traceability and Settlement Method and System. The invention was developed by Yue Pinliang, Liu Jiazheng, Zhou Zijia, Yu Hongchen, Ji Xiu, Liu Yiqi, Y..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- State Intellectual Property Office of China has released State Grid Corporation of China and China Electric Power Research Instituite Co Ltd patent application for Electric Quantity Clearing Method Suitable for Reverse Transaction of Cross-regional Power Transmission Channel and Related Device. This invention ..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- GF Securities Co Ltd has submitted a patent application for Except Pricing Method, System and Device, Electronic Equipment, Computer Readable Storage Medium and Computer Program Product. Ma Minghui, Li Xiaobo, Zhang Hanlin, Xin Zhiyun and Luan Yinan developed the invention. The patent application number is ..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- State Intellectual Property Office of China has published China Life Insurance Co Limited patent application for Data Processing and Decision-making Method, Device and System for Insurance Policy Loan Service. The invention was developed by Song Qi, Wu Qingwei and Sun Hang. The patent application number is ..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- State Intellectual Property Office of China has released Hangzhou Tianji Huihai Tech Co Ltd patent application for Three-dimensional Entity Boundary Representation Method Based on Cohesive Curved Surface Partial Order Set. This invention was developed by Zhang Qinghai. The patent application number is CN202..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- Xiamen Future Engine Tech Co Ltd has submitted a patent application for Semantic Association Type Coordinate Transformation Method for Intelligent Object in E-commerce Scene. This invention was developed by Zhuo Yujia. The patent application number is CN202610247100 20260302. The patent publication number i..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- Guangzhou Xiongqi Network Tech Co Ltd has submitted a patent application for Insurance Personalized Recommendation Method and System Based on E-commerce Consumption Trajectory. Li Guanlin developed the invention. The patent application number is CN202610456708 20260408. The patent publication number is CN12..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- Shanghai Dewu Information Group has submitted a patent application for Comparative Analysis Method and Device Based on Commodity Model. This invention was developed by Li Yanbin, Gu Shijie, Zhang Fulong and Xu Ming. The patent application number is CN202610422188 20260401. The patent publication number is CN1..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- Qingmin Shuke Qingdao Tech Service Co Ltd has submitted a patent application for Supply Chain Order Scheduling Method for Big Data Processing. This invention was developed by Song Xiaohui, Chen Tong and Huang Zeyuan. The patent application number is CN202610419968 20260401. The patent publication number is ..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- State Intellectual Property Office of China has received Jixuanzhike Digital Tech Hubei Co Ltd patent application for Intelligent Agent-based Real Estate Assessment Automatic Ordering Method and System. Hua Meng developed the invention. The patent application number is CN202610397295 20260330. The patent pu..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- eBay has sought patent for Enhancing Merchandise Retrieval with Fit Matching. This invention was developed by Dubey Saurapp, Patil Sankap Arun, Dhanavandi Suhas Giridhar, Multani Sarabdeep Singh and Rekab Pratibhaste. The patent application number is CN20251207764 20251229. The patent publication number is CN..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- Shenzhen Aimushi E Commerce Co Ltd has applied Chinese patent for Cross-border E-commerce Intelligent Pricing System and Method. Cai Chunming, Luo Zhen and Zhang Zheng developed it. The patent application number is CN202610397009 20260330. The patent publication number is CN122312236 (A). International Pate..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- Guangzhou Pinwei Software has sought patent for Cross-system Electronic Coupon State Reconciliation Method and Related Device. This invention was developed by Wang Qianqian. The patent application number is CN202610437930 20260403. The patent publication number is CN122312217 (A). International Patent Classif..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- China Energy Construction Group Guangxi Electric Power Design and Research Instituite Co Ltd has submitted a patent application for Method for Measuring and Calculating Medium-and-long-term Marginal Supply Insurance Cost of Cascade Reservoir Based on Electric Power Spot Clearing. This invention was developed b..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- State Intellectual Property Office of China has received Zhongshi Xiaoguo Tech Beijing Co Ltd patent application for Hotel Scene-oriented Real-time Business Travel Crowd Portrait Fusion and Dynamic Updating Method. Wang Shaowei, Li Zibo, Wang Yani, Yang Bo, Wang Sa and Zhang Ningning developed the invention. ..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- State Intellectual Property Office of China has published Beijing Instituite Technology patent application for Electricity-carbon Coupling Market Simulation System and Method Based on Multiple Agents. The invention was developed by Li Zhaoyuan, Sun Yanqing and Zhao Lutao. The patent application number is CN..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- State Intellectual Property Office of China has received Yidianlingxi Information Tech Guangzhou Co Ltd patent application for Virtual Commodity Transaction Price Valuation Method and Device, Equipment and Medium. Pan Anteng developed the invention. The patent application number is CN202610257917 20260303. ..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- Shaanxi Traffic Planning Design Research Instituite Co Ltd has submitted a patent application for Intelligent Measurement and Calculation Method and System for Greenhouse Gas Emission Amount in Full Range of Service Area. Ma Qing developed the invention. The patent application number is CN202610403130 20260..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- Jilin Xinmanfeng Electronic Commerce Co Ltd has submitted a patent application for Multi-source Data Fusion and Transaction Behavior Analysis Platform Based on Machine Learning. This invention was developed by Zhao Lili, Yang Wen, Zhou Shaomin and Shi Zhenlong. The patent application number is CN20261046316..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- State Intellectual Property Office of China has published Beijing Gold Shield Information Tech Co Ltd patent application for Virtual Currency and Entity Address Identification Method and System Based on Multi-dimensional Association Verification. The invention was developed by Zhang Weiping, Wang Yang, Song Zh..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- State Intellectual Property Office of China has released Beijing Gold Shield Information Tech Co Ltd patent application for Virtual Currency Address Association Identification Method and Device Based on Energy Penetration. This invention was developed by Qi Xiangyang, Wang Yang, Song Zhifeng, Li Xiaolu, Guo Qi..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- Yizifu Chongqing Tech Co Ltd has submitted a patent application for Shadow Order Aggregation-based Prison Buying Cross-network Settlement Method and System. This invention was developed by Wang Kun, Chen Yi and Wang Qingshi. The patent application number is CN202610231906 20260227. The patent publication nu..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- State Intellectual Property Office of China has released Jiangsu Nanshu Emergency Intelligent Tech Co Ltd patent application for Multi-agent Collaborative Business Scheme Generation Method Based on Dynamic Task Arrangement. This invention was developed by Wang Guangyao, Wu Ting, Cao Fangfang, Cao Zhenting, Men..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- Shandong Energy Digital Tech Co Ltd has submitted a patent application for Intelligent Order Sending Method and System Based on Multi-modal Feature Extraction and Dynamic Portrait. Yu Lin, Li Jieping, Feng Gang, Ma Yanwen, Tian Peng and Cao Zhide developed the invention. The patent application number is CN2..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- Shenzhen Power Supply Bureau has sought patent for Pressing Plate Inspection Method and System for Power Transmission Operation Order of Power System. This invention was developed by Chen Wei, Wang Qilin, Wan Huajian, Dai Hao, Sun Rongle, Jiang Libin, Xu Dadong and Li Jianqi. The patent application number is ..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- Shenzhen Power Supply Bureau has applied Chinese patent for Operation Ticket Five-prevention Logic Automatic Auditing Method and System. Chen Wei, Wang Qilin, Wan Huajian, Dai Hao, Xiang Lingchen, Lei Qiang and Zhang Dongfang developed it. The patent application number is CN202610270697 20260306. The patent p..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- Shenzhen Fengsui Digital Intelligent Tech Co Ltd has sought patent for Repeater Work Order Management System and Method. This invention was developed by Sun Shaoyu, Huang Qing, Lei Wei and Xu Guojun. The patent application number is CN202610150220 20260203. The patent publication number is CN122312045 (A). ..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- State Intellectual Property Office of China has received Anhui Xiaorou Health Tech Group Co Ltd patent application for Medicine Supply Chain Dynamic Inventory and Path Optimization Method Based on Large Model. Zhang Fan developed the invention. The patent application number is CN202610759546 20260529. The p..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- State Intellectual Property Office of China has received Chengsanjiao Guangdong Tech Co Ltd patent application for Full-process Intelligent Management and Control System and Method for E-Commerce Materials. Shan Xiaopeng, Wang Heng, Zhang Jiansen and Pu Shao'ai developed the invention. The patent applicatio..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- Shenzhen Puchen Software Tech Development Co Ltd has filed a patent application for Multi-store-oriented Cross-border E-commerce Intelligent Stock Decision and Execution System. This invention was developed by Li Yuehai and Huo Hongtong. The patent application number is CN202610428142 20260402. The patent p..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- Guangdong Suhuasuan Ind Internet Co Ltd has submitted a patent application for In-transit Inventory Cost Real-time Evaluation Method Based on Process Tracking Statistics. This invention was developed by Tao Baiyu. The patent application number is CN202610412928 20260331. The patent publication number is CN1..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- State Intellectual Property Office of China has published Shenzhen Enjoy Information Tech Co Ltd patent application for Multi-terminal Collaborative Commodity Checking Method in Offline Mode, Server, Medium and Product. The invention was developed by Xiao Changhong and Sun Kewei. The patent application numb..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- Urban Planning & Design Instituite Co Ltd Of Shenzhen has submitted a patent application for Urban Stock Space Vitality Improvement Planning Method, System and Device and Storage Medium. This invention was developed by Shen Shimeng, Han Jiangxue, Li Feng, Luo Yifei, Shi Mingyang, Wang Kai, Huang Yingqi, Wu Jia..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- SF Technology has submitted a patent application for Goods Inspection Method, Goods Inspection Platform and Goods Inspection System Based on Multi-modal Large Model. This invention was developed by Xue Haitao. The patent application number is CN202411993396 20241230. The patent publication number is CN1223124..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- Chongqing Haike Network Tech Co Ltd has applied Chinese patent for Large Model Customer Service Dialogue Quality Inspection Method. Guo Jiacheng, Fan Zhengping, Tang Haokun, Li Wenzhong, Gao Chao, Jiang Binyang, Jiang Hong and Jiang Yangwei developed it. The patent application number is CN202610268380 20260..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- State Intellectual Property Office of China has published Guangdong Zhongao Property Man Co Ltd patent application for Intelligent Property Work Order Data Management Method Based on Internet of Things. The invention was developed by Lu Ming, Li Weiming, Lin Zhiye, He Jiacong, Xiang Hui, Lai Xinli, Chen Tao, D..

Business and Commerce

  |  Sat 03 Oct 2026

Seoul, Oct. 2 -- Valuemap Co Ltd has sought patent for a Method of Calculating Standard Weights and a Real Estate Evaluation Method Using It. This invention was developed by Song Junseok and Kim Beomjin. The patent application number is KR20240097160 20240723. The patent publication number is KR20250030908 (A). International ..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- Shenzhen Power Supply Bureau has applied Chinese patent for Detection and Error Correction Method and System for Operation Order of Electric Power System. Chen Wei, Wang Qilin, Wan Huajian, Dai Hao, Cui Zhiwen and Lei Qiang developed it. The patent application number is CN202610284549 20260310. The patent pub..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- Xide Qiusuo Beijing Tech Co Ltd has filed a patent application for Method and System for Automatically Solving Job Scheduling Problem Based on Multi-agent Framework. This invention was developed by Lin Jinkun and Sun Yiwen. The patent application number is CN202610761763 20260529. The patent publication num..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- Xiamen Yangsen NC Equipment Co Ltd has filed a patent application for Intelligent Order Scheduling and Material Management System for Turn-milling Processing Workshop. This invention was developed by Li Hongyan, Yang Jiangbin, Luo Zhenfu, Huang Haibin, Lyu Aodi and Liu Dahai. The patent application number i..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- Lanzhou Jiaotong University has applied Chinese patent for Cooperative Optimization Method and System for Train Operation Scheme and Ticket Resource Allocation. Song Qi, Nie Lei, Jing Yun, Tian Zhiqiang and Sun Guofeng developed it. The patent application number is CN202610436459 20260403. The patent publicat..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- Chongqing Yunchen New Energy Technology has sought patent for Service Station Work Order Scheduling Method and System. This invention was developed by Qiu Zhao, Liu Yang, Yin Yan, Chen Tian and Zhong Zheng. The patent application number is CN202610430125 20260402. The patent publication number is CN122311763 ..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- State Intellectual Property Office of China has received Beifang Kangyuan Integrated Energy Zhejiang Co Ltd patent application for Agricultural Product Order Fulfillment and Cold Chain Collaborative Scheduling System. Zhou Ruyue developed the invention. The patent application number is CN202610426198 202604..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- Suzhou Pushsoft Co Ltd has filed a patent application for Project-based Bill of Material Generation and Management Method and System. This invention was developed by Huang Wei, Wang Wei and Zhu Jian. The patent application number is CN202610391743 20260327. The patent publication number is CN122311730 (A). ..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- State Intellectual Property Office of China has published Beijing Danxin Tech Co Ltd patent application for Towel Automatic Sales Scheduling System Capable of Realizing Supply and Demand Prediction. The invention was developed by Wang Ying. The patent application number is CN202610376336 20260325. The paten..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- State Intellectual Property Office of China has released Shenzhen Puchen Software Tech Development Co Ltd patent application for Advertisement Budget Intelligent Distribution Method and System Based on Dynamic Value Score. This invention was developed by Li Yuehai and Huo Hongtong. The patent application nu..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- State Intellectual Property Office of China has published Jinhua Power Supply Co State Grid Zhejiang Electric Power Co Ltd patent application for Transformer Area End User Identification Method and System Based on Voltage Transaction. The invention was developed by Cao Wenkai, Wu Ting, Lin Kaifeng, Wu Zhuowei,..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- State Intellectual Property Office of China has published Hangzhou Weisheng Chaoyun Tech Co Ltd and Hangzhou Zhongruan Anren Network Communication Co Ltd patent application for Intelligent Tax Affair Question-answering System Integrating Mixed Retrieval and Multi-round Dialogue. The invention was developed by ..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- State Intellectual Property Office of China has received Changjiang Xinda Software Tech Wuhan Co Ltd patent application for Multi-modal Knowledge Graph Intelligent Decision-making Method and System for Intelligent River Chief Business. Gong Qihui, Yu Miao, Wang Yuannan, Mei Liangfei, Liu Fuyuan, Tang Guanghui,..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- State Intellectual Property Office of China has released Shenzhen Ibox Information Tech Co Ltd patent application for Distributed Voice Interaction Method and Device for Offline Merchant AI Operation. This invention was developed by Zhang Wu and Han Changlei. The patent application number is CN202610604728 ..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- State Intellectual Property Office of China has received Chengdu Ebopark Information Tech Co Ltd patent application for Parking Lot Patrol Robot License Plate Recognition Method and System Based on Dynamic Visual Compensation. Gao Xuyang developed the invention. The patent application number is CN2026107796..

Business and Commerce

  |  Sat 03 Oct 2026

Beijing, Oct. 2 -- Tristar Technologies China Group has submitted a patent application for Multi-encrypted Lottery Self-service Rapid Cashing System. Gao Haifeng, Sun Honglin and Wu Jiandong developed the invention. The patent application number is CN202610348291 20260320. The patent publication number is CN122313614 (A). Inter..

Business and Commerce

  |  Fri 02 Oct 2026

Beijing, Oct. 2 -- Lin Weiyong has secured a patent on Movable Electronic Commerce Weighing Device. Lin Ziliang developed the invention. The patent application number is CN202520347873U 20250303. The patent publication number is CN223741720 (U). International Patent Classification codes are G01G19/00 and G01G21/00. The ab..

Business and Commerce

  |  Fri 02 Oct 2026

Beijing, Oct. 2 -- Zhejiang Meili Automobile Spring Co Ltd has obtained a patent for jig for spring envelope detection. This invention was developed by Pan Junyi. The patent application number is CN202520418958U 20250311. The patent publication number is CN223741408 (U). International Patent Classification code is G01B5/00. ..