ROTER started from March 2006, it is a technology-based enterprise dedicated to air quality research and professional manufacturing of high-efficiency and energy-saving HVAC products. The factory is ISO certified and located in Wuxi City China, covers an area of 10,000 square meters and has high-standard workshops, advanced production lines.ROTER integrates R&D, production and sales, the products mainly include: air to air heat exchangers, energy (heat) recovery ventilators (ERV / HRV), fresh air dehumidifiers, rotary desiccant dehumidifiers, FCU, AHU and rooftop packaged unit, etc.,. Our products are widely used in different projects like administrative buildings, hospitals, banks, residences, gymnasiums, pharmaceutical factories and so on. Till to now, ROTER has obtained 23 patents and 2 invention patents, products also are CE approved.