Hainan Yunwai Industries Limited is a high-tech enterprise specializing in the research and development and production of kinetic energy lithium battery products, household photovoltaic inverters, solar photovoltaic panels, household energy storage batteries, and complete photovoltaic power generation system products. Starting from 2021, the company has been involved in overseas export business. It has four production bases in Hubei, Shenzhen, Dongguan and Huizhou, with technological innovation and scientific management, covering the entire industrial chain of energy storage lithium batteries and photovoltaic power generation systems. With the R & D team and automated production support, we have mastered the core battery technology and key components of lithium batteries, which can greatly improve production efficiency and battery performance, while greatly enhancing our competitiveness in the global market for lithium batteries.