Are Shanghai Yingda Fan and Yinghe Fan one company?

No. According to the query enterprise search shows.

1, Shanghai Yingda Fan Co., Ltd. is located in Shanghai Jiading Industrial Development Zone, No. 4388, Shuangzhu Road, the company was established in August 1992 Shanghai Yingda Electrical Appliances Factory, October 1997 restructuring for Shanghai Yingda Electrical Appliances Co. The company is a modernized enterprise integrating research and development, manufacturing and service.

2. Shanghai Yinghe Fan Co., Ltd (once known as: Shanghai Yinghe Electromechanical Equipment Co., Ltd.), founded in 2011, is located in Shanghai, China, and is an enterprise engaged in wholesale business.