Royalstar inverter air conditioners are not OEM. Royalstar inverter air conditioners are produced in-house, not OEM. Hefei Royalstar Air Conditioning Co., Ltd., a manufacturer of Royalstar air conditioners, was established on December 2, 2004. The legal representative is Hou Wenming, the registered capital is 5 million (yuan), the company type is a limited liability company (natural person investment or holding), and the registered place is in Hefei, Anhui Province No. 6, Linquan East Road, Feidong County Economic Development Zone, the city's business scope includes the development, production and sales of air-conditioning equipment and related products.