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About Joinsun
Zigong Joinsun Technology Co., Ltd., established in September 2022, has a registered capital of 60 million yuan and covers an area of 100 acres. The company currently employs more than 200 people, including over 20 full-time and part-time R&D personnel. It owns 8 advanced coating production lines, 3 fully automated liquid injection production lines, 10 sets of fully automated electrode sheet rolling and winding integrated machines, 6 fully automated integrated welding machine production lines, and over 300 sets of formation and capacity testing cabinets, meeting the daily production capacity requirement of 20GWh.

Joinsun Battery Keeps Pace with the Global Low-Carbon Revolution
A Professional New Energy Battery Manufacturer
Cutting-Edge Technology, Exceptional Quality, Your Trusted Power Supply Expert
Dedicated to Serving You, Driving Industry Advancement
Our Mission
Down-to-Earth and Pursuing Excellence
Continuous Innovation and Constant Surpassing
Promoting the Spirit of Being Grounded
Our Vision
Combining Science and Humanities
Focusing on Both Quality and Cost
Providing High-Quality Power Solutions to Customers
Our Company Qualification
e company fully seizes development opportunities, accelerates technological progress, enhances product branding and market competitiveness, improves R&D and innovation capabilities, and achieves strategic development goals. The technology center implements a three-level management system.
Our Test Report
Joinsun Lithium Battery Automatic Production Line
At Joinsun, we specialize in the custom design and manufacture of energy storage battery industrial battery packs for original equipment manufacturers (“OEM”) from a spectrum of industries. Designs are developed for optimum manufacturing and performance, with emphasis towards minimizing cost. Along with proven expertise, we extend our clients an industry leading warranty on workmanship.
Joinsun 48V 100Ah Rack Server Lithium Battery Production
Rack-mount lithium Batteries from Joinsun, 2024 best selling Rack LFP batteries.
Rack-mount Lithium Battery and MCU System 100V~600V High Voltage Rack System
What are the best selling Rack Server LiFePO4 batteries for Middle East and South America market? Joinsun shows you.
Joinsun Lithium Battery Automatic Production Line
Joinsun Lithium Battery Factory.
Trusted Partners Worldwide
At Joinsun, we take pride in serving clients across the country. Our long-term partnerships are built on trust, quality, and reliability. With dependable and customized solutions, we help our clients achieve their business goals. Together, we grow stronger in the global market.
Our Team
Meet With Professional Team
We are a team specializing in battery R&D and marketing, delivering reliable energy solutions. Combining technical expertise with market insights, we craft tailored strategies and drive innovation. Our mission is to create a sustainable future through technology and exceptional service.