Zhejiang Qualtech Co., Ltd. (Qualtech) was founded in 2011 and headquartered in Hangzhou, Zhejiang Province.It is a national high-tech enterprise, and won the title of the third batch of specialized new "Little Giant" enterprises by the Ministry of Industry and Information Technology. The company focusing on R&D, design, production and sales of BMS and 4S+C core control system for new energy vehicles and electric vessels (power), energy storage, and intelligent Lithium Battery Protection Boards; At the same time, it provides overall solutions and implementation services such as energy storage system integration, Integration of photovoltaic storage and charging,Intelligent Energy Management System, and Microgrid system for various scenarios.