3.Zhengzhou Olive Electronic Technology Co.,ltd, specialized in developing, manufacturing and selling for High-end Home Health Battery Oxygen Concentrator, Home Oxygen Concentrator, Cpap Machine, Nebulizer Machine and related healthcare products . Our factory implements ISO 13485 strictly, all of our products are in accord with medical CE. At present, our products are sold to America, Europe, Asia, Middle East and so on which are more than 90 countries.Olive’s success is base on its dedication to high quality, innovative technology and excellent service as olive has a strong team internally which every management has more than 10 years experience for R&D, quality,production and sales.Except for our own brand, we also can do OEM service...