HEMA Environmental Protection Technology Tianjin Co., Ltd. is a scientific and technological innovation company specialized in ultra pure water technology development, EDI module design and manufacturing, ultra pure water technology services. R & D, technological innovation and achievement transformation are the foundation of an enterprise's development. HEMA environmental protection technology has successfully realized the achievement transformation of ampure EDI module stack by introducing advanced R & D and manufacturing EDI module stack technology from American ampure company. It is the direction and goal of our enterprise to provide high standard preparation of ultra pure water for enterprises and social organizations.