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Technology &Materials 制造技术 &电芯材料










Manufacturing Technology 制造技术





As a trusted manufacturer, Joinsun boasts advanced cylindrical lithium battery cell manufacturing technology and high-security testing equipment.
Our production lines include:

8 coating production lines.
3 fully automated liquid injection machine production lines.
10 fully automated film-wrapping integrated machine production lines.
6 fully automated integrated welding machine production lines.
300 chemical and capacity testing cabinets.
Puncture Testing Equipment.

With a daily production capacity of 250,000 PCS, Joinsun ensures that we can fully meet our customers' demands.
作为值得信赖的制造商,Joinsun 拥有先进的圆柱锂电芯制造技术和高安全性的检测设备,我们的生产线包括:

8 条涂布式生产线
3 条全自动注液机生产线
10 条全自动覆膜卷绕一体机生产线
6 条全自动集成焊接机生产线
300 台化学和容量测试柜
圆柱锂电芯针刺检测设备

吉欣的日产能 250,000 只圆柱型锂电芯,确保我们能够充分的满足客户的需求。



china 21700 18650 lithium cell factory (Joinsun)



18650 21700 lithium-ion cell factory (Joinsun)



china 18650 21700 cell factory liquid injection (Joinsun and tinci)





Top Materials 优质电芯材料





Joinsun uses high-quality materials in its lithium cells, including cathode materials from BASF, electrolytes from SHAN SHAN and TINCI, anode materials from GUIBAO, ZET, Hunan Kingi Technology and Zichen, separators from SEMCORP, and steel cases for lithium cells from JINYANG. By carefully selecting these premium-grade materials, Joinsun ensures superior 21700 battery and 18650 battery lithium cell quality and long service life, with lower internal resistance (IR), stable thermal resistance, and excellent cold-weather performance. This meticulous material selection not only guarantees product consistency and safety but also enhances overall battery performance in demanding applications such as electric mobility, portable energy storage, and outdoor battery storage products. Joinsun's dedication to quality from the source reflects its commitment to delivering reliable energy solutions worldwide. 吉欣采用了高品质的锂电芯制造原材料,包括巴斯夫正极材料、杉杉和天赐电解液、硅宝、正拓、湖南金硅和紫宸负极材料、恩捷隔膜,金杨钢壳,这些材料确保了锂电芯的优秀品质和长久的使用寿命,具有更低的内阻、稳定的热阻和出色的寒冷气候适应性。这一严格的材料选择不仅保证了产品的一致性和安全性,还提升了电池在电动出行、便携式储能和户外蓄电产品等高需求应用中的整体表现。吉欣对质量的高度关注从源头开始,体现了其为全球提供可靠能源解决方案的承诺。


BASF Shanshan Battery Materials Co., Ltd. Vice GM Mr. Marc Poetzsch Visits JOINSUN Lithium Cell Factory on August 5, 2024

BASF Shanshan Battery Materials Co., Ltd. Vice GM Mr. Marc Poetzsch Visits JOINSUN Lithium Cell Factory 巴斯夫杉杉电池材料有限公司总经理马克波茨奇先生参观吉欣锂电芯工厂

On August 5, 2024

The Mr. Poetzsch his delegation visited the JOINSUN lithium cell factory for an in-depth exchange. The purpose of the visit was to gain a comprehensive understanding of JOINSUN's production capabilities, quality control system, and future technological development in the field of lithium cell manufacturing. Both parties engaged in in-depth discussions on topics such as battery material cooperation, industry chain integration, and trends in the new energy sector. 波茨奇先生莅临吉欣锂电芯工厂参观交流,深入了解吉欣在锂电芯制造领域的生产能力、质量控制体系以及未来的技术发展方向。双方围绕电池材料合作、产业链协同以及新能源领域的发展趋势等议题展开了深入探讨。

The JOINSUN management team warmly received the guests and guided them through the cell production lines, laboratories, and automated production lines. The BASF shanshan delegation highly praised JOINSUN's technical strength and manufacturing expertise and expressed their expectations for further cooperation in lithium battery materials and sustainable energy in the future. 吉欣管理层团队非常热情的接待了来访嘉宾,并一起参观了电芯生产线、实验室及自动化生产线。巴斯夫杉杉代表团对吉欣的技术实力与制造能力给予了高度评价,并表示期待未来在锂电池材料及可持续能源领域展开更深入的合作。





china 21700 18650 lithium cell basf material (Joinsun)



china 21700 18650 lithium cell guibao material (Joinsun)