Greensun Inc. is a leading Chinese high-tech enterprise specializing in intelligent automation equipment for the new energy industry, with a particular focus on lithium battery manufacturing. Founded in 2009 and headquartered in Shenzhen, China, the company designs, develops, and produces advanced machinery for key battery production processes, including stacking, winding, assembly, electrolyte injection, and testing. Its solutions are tailored for global markets, serving over 40 major clients and industry leaders in Asia, Europe, and North America.
Backed by ISO quality certifications and a robust portfolio of 249 intellectual property authorizations (including invention and utility patents), Greensun Inc. maintains a 95% market penetration among its core customer base. With a workforce of over 1,100 employees and the capacity to produce more than 1,000 units/systems annually, the company emphasizes technological innovation and sustainability. Its motto, “The cradle for nurturing engineers, establishing a benchmark in precision assembly manufacturing,” underscores its commitment to fostering expertise while enabling precise, high-volume battery production.
Battery Technology
Greensun Inc. is a leader in specialized automation equipment for lithium battery manufacturing, offering end-to-end solutions from raw material handling to final assembly. Its core product lines include:
- Stacking Machine Series: High-speed stacking systems for electrode layers, with proprietary technology achieving a world-leading speed of 0.45 seconds per piece. This includes laser-cutting and automated stacking modules, ensuring precision for large-format batteries.
- Winding Machine Series: Precision winding systems for cylindrical and pouch cells, capable of forming battery electrodes with minimal defects. These machines support high-capacity batteries commonly used in electric vehicles (EVs) and energy storage systems (ESS).
- Logistics Line Series: Automated conveyor and sorting systems, including magnetic levitation lines, to streamline battery assembly workflows while reducing cycle time.
- Assembly Line Series: Ultrasound and laser welding equipment for battery casing sealing, coupled with leak-detection systems to ensure product integrity.
- Liquid Injection Machines: Precision electrolyte injection systems for various battery types, ensuring accurate dosage and enabling consistent cell performance.
- Bidirectional Power Systems: Used for battery formation and capacity testing, validating cells before final packaging.
- Digital Factory Solutions: AI-driven quality monitoring and data analytics platforms to optimize production lines, reduce errors, and achieve Industry 4.0 compliance.
The company’s intellectual property portfolio includes 249 patents and copyrights, reflecting its focus on R&D—investing over 50 million yuan annually—and its role in shaping manufacturing standards. Its stacking technology, for instance, has been integrated into the “Digital Longhua” initiative to advance automation in China’s manufacturing sector.
Recent Projects
Greensun Inc. has emphasized technological advancements to keep pace with the accelerating lithium battery market. In late 2024, the company highlighted upgrades to its stacking machine series, which now integrate AI-based predictive maintenance to reduce downtime. The firm also expanded its global deployments, supplying modular assembly lines to EV battery manufacturers in Europe and North America. Notably, Greensun’s magnetic levitation logistics lines were adopted by a Fortune 500 energy firm to streamline battery pack assembly, cutting production costs by 15%. The company continues to refine its digital factory tools, integrating real-time data analytics to improve yield rates while aligning with emerging Industry 4.0 standards.
Investors
Specific investor details for Greensun Inc. are not publicly disclosed, though the company is reported to have a separate affiliate entity named Greensun Technology—distinct from Greensun Inc. (greensun-tech.com)—which has secured funding via investors such as Heqin Capital and YTI Capital. Greensun Inc.’s financial activities appear focused on internal R&D investments, with limited public transparency on external partnerships.
Business Details
Location: Shenzhen, China
Website: https://www.greensun-tech.com/
LinkedIn: https://www.linkedin.com/company/101739971
