Hangzhou Shangdao Electric Appliance Co. , Ltd. is located in Hangzhou Yuhang Economic Development Zone, is a professional development, design, production of single-machine runner unit, combined purification runner constant temperature dehumidification unit, combined purification constant temperature and humidity unit (with waste heat dehumidification) , and fresh air constant temperature and humidity unit of the technology-based enterprises. The company has a complete set of production equipment, testing equipment, set up a set of scientific and strict production process and assembly production standards. Equipped with advanced temperature and humidity detection equipment and rigorous detection means to ensure the product’s advanced and stability.