Founded in Changzhou, Jiangsu Province in 2001, Yufeng is a National High-Tech Enterprise and a National "Little Giant" Enterprise specializing in the R&D, the Manufacturing and the Sales of lithium-manganese primary batteries. Yufeng is located at the Photovoltaic Industrial Park in Changzhou High-tech zone with a building area of 32000㎡ and over 300 employees. Over the past 20 years, Yufeng has always adhered to technology innovation, lean production and systematic management, successfully established several industrial reputation brands such as“Henli Max”, “NSN”, “SUYU MAX” and has also been approved to establish the Provincial Lithium-Manganese Battery Engineering Technology Research Center, the Provincial Enterprise Technology Center and the Municipal Industrial Design Center. YuFeng has significant competitive advantages at both the high-drain and the low-drain electronic products. Our products are widely used in the industries like ESL, Intelligent Transportation, Smart Security, Instrumentation, Consumer Electronics, Wisdom Medical etc. and has won unanimous recognition along with long-term support from our global customers. Yufeng attaches great importance to product R&D and has a R&D lab of 800 ㎡ and a professional R&D team of over 35 employees. YuFeng has broken the power bottleneck of traditional lithium battery through our own research and innovation. We successfully manufactured the high-drain lithium-manganese button battery that can easily carry the products with 50mA pulse working current，meanwhile possessing the advantages of great safety, high storage capacity, long storage life etc. The products main purpose are to supply power for RF transmission of IoT signals. At present, Yufeng as the major supplier of the global TOP 5 ESL manufacturers, accounts for about 50% of the market share in the ESL industry. We have further become the World’s Leading manufacturer of the high-drain lithium-manganese RF cell batteries. Yufeng implements a 6S production management system and DMSP quality control optimization system, and has passed ISO9001 quality system certification. ISO14001 Environmental Management System, ISO45001 Occupational Health and Safety Management System. Our products have passed UL, UN38.3, RoHS, and other certifications, and have established great brand reputation and visibility in the industry. Our products are sold to all over the world including the US, the UK, the EU, Canada, Japan, South Korea, Singapore, Brazil, India etc. with exports accounting for over 50% of our overall sales.