Beijing Zhongke Green Hydrogen Technology Co., Ltd., formerly known as Beijing Jiakanger Water Treatment Technology Co., Ltd., was founded in 2005. It is headquartered in Desheng Science and Technology Park, Zhongguancun Science and Technology Park, and its R&D base is located in Cuihu Science and Technology, Zhongguancun The production base is located in Guangzhou Science City. The company specializes in the research and development, production, sales and after-sales service of core materials, key components, devices and equipment and their supporting products for electrolytic hydrogen production. The subsidiary company Guangzhou Saiai Environmental Technology Co., Ltd. was founded in 1996 by the Fifth Institute of the Ministry of Electronics Industry (CEPREI, China Saibao Laboratory) and Japan Aespek The joint venture of ESPEC has been established and has been deeply engaged in the field of electrolytic water technology for 28 years.