SUNJ ENERGY (LUOYANG) CO., LTD. was founded in 2017, covering an area of 33,300m² with a total investment of ¥0.3 billion in Luoyang, China. SUNJ is committed to R&D, manufacturing and sales of lithium primary battery and composite capacitor.

The technical team is composed of domestic top lithium primary battery research experts. SUNJ sets up Luoyang City Lithium Primary Battery Standardization Module Enterprise R&D Center and 4 R&D centers for Li-SOCl₂ battery, Li-MnO₂ battery, Li-SO₂ battery and composite capacitor. SUNJ has built a complete lithium primary battery testing center, including performance laboratory, physical and chemical laboratory, environment laboratory and safety laboratory, equipped with the testing and analysis abilities of shock, free fall, temperature cycling, forced-discharge, external short circuit, vibration, impact/crush, shock and others in lithium primary battery life cycle. Meanwhile, SUNJ makes strategic cooperation relationships with many scientific research institutes and universities.
SUNJ has passed ISO9001:2015, ENVIRONMENTAL MANAGEMENT SYSTEM CERTIFICATION and OCCUPATIONAL HEALTH & SAFETY MANAGEMENT SYSTEM CERTIFICATION and SUNJ has obtained High-New Technology Enterprise (HNTE) Certification with more than 40 independent intellectual property rights. The related products passed CE, RoHS, UN38.3 and Explosion Protected certifications.