Customer Reviews
These letters were sent to Kailing by customers after project acceptance
Each letter bears the customer's official seal, and we present them here as they are. Click on any letter to see the complete original, including the letterhead, body text, signature, and date. Among the customers who wrote these letters are Canon (China)、Canon Medical Systems Such foreign-funded enterprises are also included CRRC、Dongfang Kexi Holding Group、 Beijing E-Town Investment Holdings Such state-owned and listed enterprises, with projects covering electronic accounting archives, input and output invoice management, fully digitalized e-invoices, invoice image capture, invoice issuance for individuals, and group tax filing. The earliest letter was written in 2023, and the latest in 2026.
Overview of original customer thank-you letters and commendation letters
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Canon (China) Co., Ltd.
"The electronic accounting archives system has been successfully launched and runs stably, significantly improving management efficiency in archive collection, storage, retrieval, and borrowing, with all functions meeting the expected goals."
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CRRC Corporation Limited
"In just 60 working days, the system was successfully launched and ran stably, which fully demonstrates your company's technical strength and team spirit."
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Canon Medical Systems (China) Co., Ltd.
"After undertaking the project, your company quickly formed a professional team and, based on our actual needs, tailored an integrated electronic accounting archives management and full-process invoice digitalization solution."
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Dongfang Kexi Holding Group Co., Ltd.
"The project has been successfully delivered and put into operation, the system runs stably, and the expected goals have been achieved."
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Beijing Yizhuang Investment Holding Co., Ltd.
"We express our heartfelt appreciation for the outstanding professionalism and selfless dedication your company demonstrated in our input and output invoice and tax filing project."
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Raycom Property Technology Co., Ltd.
"Your professionalism, efficient cooperation, and good communication enabled us to successfully deliver a fully digitalized e-invoice management system that meets our requirements within the scheduled time."
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Finance Department, Beijing Dahao Technology Corp., Ltd.
"In response to Dahao's current informatization situation, you provided many valuable suggestions for the informatization of Dahao's finance department, and effectively analyzed and promptly revised and handled the personalized requirements raised by Dahao, winning our unanimous recognition."
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Sino-Ocean Yijia Property Services Co., Ltd.
"Especially in the early stage when facing a three-party system integration plan, you were able to provide an effective solution and proactively took on the difficult work in the integration."
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Tianjin Maoyan Weying Technology Co., Ltd.
"You ensured the smooth launch of the Maoyan input VAT invoice management system, and after launch you provided timely answers and fast, effective handling of the various issues that arose at Maoyan."
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Shenzhen Dasheng Zhiyun Technology Co., Ltd.
"In particular, colleagues such as Wang Qingbo and Zhang Zihua not only accurately captured our requirements, but also provided a number of practical and feasible optimization suggestions, providing strong support for the stable launch of the system and subsequent maintenance."
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Tianjin Ziya Economic Development Group Co., Ltd.
"It solved the financial accounting difficulties caused by the lack of invoicing qualifications for individuals, and further promoted the standardization and transparency of our company's business management, setting a benchmark for the sustainable development of the resource recycling industry."
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Shenzhen Hezhong Information Technology Co., Ltd.
"We express our heartfelt appreciation for the outstanding professionalism and selfless dedication your company demonstrated in the Zhongyu Energy fully digitalized e-invoice project."
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Aibai Investment Co., Ltd.
"Your colleagues not only accurately captured our requirements, but also provided a number of practical and feasible optimization suggestions, providing strong support for the stable launch of the system and subsequent maintenance."
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Finance Department, Beijing Hefeng Zhiyuan Public Relations Consulting Co., Ltd.
"Your accurate understanding of the project requirements and efficient working methods kept the entire project progressing smoothly and achieved satisfactory results."
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Suzhou Zhonglai Minsheng Energy Co., Ltd.
"With deep technical accumulation, swift and efficient execution, and precise grasp of customer needs, your team successfully drove the smooth progress of the project at every stage."
Frequently asked questions about these letters
Are these thank-you letters the customers' originals?
Yes. Every letter on this page is an original scanned copy sent by a customer to Beijing Kailing Technology Co., Ltd., retaining the customer letterhead, body text, signing organization, date, and official seal, with no modifications made to the content. To prevent misuse by third parties, a watermark reading "Beijing Kailing Technology Project Delivery Team" is overlaid on the images.
Which industries are the customers who wrote the letters in?
Covering imaging equipment (Canon (China)), medical devices (Canon Medical Systems (China)), rail transit equipment (CRRC Corporation), scientific instruments and technology trade (Dongfang Ke Yi Holding Group), industrial investment (Beijing E-Town Investment Holding), real estate and property services (Rongke Zhidi, Sino-Ocean Yijia), industrial automation (Beijing Dahao Technology), photovoltaic energy (Suzhou Zhonglai Minsheng Energy), circular economy and resource recycling (Tianjin Ziya), apparel retail (Aibai Investment), culture and entertainment (Tianjin Maoyan Weying), professional services (Beijing Hefeng Zhiyuan), and more.
What projects did Kailing Technology do for these customers?
All are system builds in the business-finance-tax digitalization direction, specifically including electronic accounting archives, input VAT invoice management, output VAT invoice management, fully digitalized e-invoice management, invoice image capture, invoice issuance for individuals, and group tax filing.
How long does a project usually take to go live?
It depends on the business scope and the number of systems to be integrated. CRRC's business-finance-tax integrated platform went live and ran stably within 60 working days; Canon (China)'s electronic accounting archives system entered stable operation after requirements research, system deployment, and go-live cutover. The specific timeline needs to be assessed based on your company's existing systems.
Can we see how these projects were specifically carried out?
Yes. The customer stories page organizes each project's business background, original pain points, solution, and results by industry and product line.
How were the projects behind these letters specifically carried out?