Beijing Hangfeng Kewei Equipment Technology company is headquartered in Beijing. It sets R&D institution and quality control center to test and accredit all products strictly. Beijing Hangfeng Jingcheng Equipment company is a branch of Hangfeng Kewei, mainly specializing in R&D, production and sales of start power series, spiral lead-acid batteries, lithium ion batteries, battery management system, as well as bespoke power system solution.