Shenzhen wanzhonglong Technology Co., Ltd. is a high-tech enterprise specializing in the R & D, production and sales of customized lithium batteries. Our company provides customers with a variety of qualified battery products from small capacity to large capacity for various applications, with high energy density, low internal impedance and reliable performance. The company has a high-quality professional R & D team, strong technical strength, many experienced engineers and professional product designers. We have advanced production equipment and testing equipment. Our products are safe and reliable, with IEC, UN38.3, MSDS, CE, UL and other related certification. We also have good management of product marketing and after-sales service. At the same time, we will continue to adhere to the principle of customer first, always put the interests of customers first, and provide quality products and services for all customers in the world. In order to provide high quality products with low price to customers all over the world, we continue to innovate in technology and management through our strong team and experienced engineers and technicians. Welcome your visit, guidance and business negotiation.