Huaer Electronics Co., Ltd.is affiliated to Roofer Group which is a professional portable power supplier. Equipped with state-of-the-art production facility and testing equipment, the company is specialized in R&D, sale and after service of laptop batteries. Currently, our products are very popular in many countries in North America, Europe, Middle East and South-east Asia etc. as well as in 200 domestic cities in more than 30 provinces, municipalities and autonomous regions.