CALB’s smart manufacturing transformation

CALB, a Chinese manufacturer and supplier of lithium-ion batteries and the recipient of the 2025 Cloudera Data Impact award for Open Data Lakehouse and Iceberg Innovation, has powered its next-level smart manufacturing push with Cloudera.

As the third-largest electronic vehicle (EV) battery manufacturer in China and the fourth-largest EV battery manufacturer globally, CALB is a major player in the industry, with clients such as Changan, Geely, and Guangzhou Automobile Group (GAC), among others.

The leading EV battery manufacturer and supplier has experienced strong year-over-year growth supported by smart manufacturing initiatives built on Cloudera’s Open Data Lakehouse with Apache Iceberg, but wanted to improve the production and security of its EV battery manufacturing further. 

CALB planned to improve manufacturing efficiency and lay the groundwork for a next-generation Iceberg lakehouse, establishing a solid technical foundation for future AI and data platforms.

Source: Cloudera. A man sits in an EV.
Source: Cloudera. A man sits in an EV. 

From a security perspective, CALB required enterprise-grade data encryption and protection for its battery formula data, but the legacy system lacked the fine-grained access controls required. Thanks to Cloudera, CALB achieved these goals and much more.

The project went into production in Q125 and was completed in the fourth quarter of the same year. To accelerate production speeds while maintaining security standards, CALB built a petabyte-scale enterprise data lake with Cloudera to support research and development, production, and supply chain needs.

The platform, deployed as an enterprise-wide data lake, integrates core system data sources to support full lifecycle analysis of batteries. The data lake helped CALB:

- Implement column-level dynamic data masking with Apache Ranger and Kerberos

- Address critical security needs for battery formula data

- Eliminate data bottlenecks by resolving high-concurrency query challenges, enabling real-time analytics for R&D teams.  

CALB also achieved 100% audit log coverage and ISO 27001 certification, the world's best-known standard for information security management systems. The certification encompasses the establishment, implementation, maintenance, and continual improvement of an information security management system (ISMS) to manage risks, protect data, and ensure regulatory compliance.  

"By partnering with Cloudera to build a petabyte-scale Open Data Lakehouse, we’ve moved beyond the constraints of legacy systems to achieve a true smart manufacturing ecosystem. The robust security protocols have provided the secure, real-time data foundation necessary to lead the global EV market," said Abel Cheng, Head of Data Intelligence Applications at CALB.

An Iceberg-based lakehouse architecture upgrade is planned for the future. CALB aims to replace its legacy extract, transform, and load (ETL) capabilities with zero-copy, cross-site data sharing to accelerate data transmission and cut cross-domain data collaboration costs by 30%.

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