China-Places.com a répertorié environ 30 entreprises dans Qionghai. Certains des mieux notés entreprises dans Qionghai sont- Qionghai Wanquanhe Water Entertainment Limited Company Bureau de gestion des quais, PICC Property and Casualty Co. Ltd., Qionghai Wanquanhe Water Entertainment Limited Company Wharf Guardian Team, Hainan Zhida Finance Consultation Services Limited Company Qionghai Branch Agency Jianzhangbu, Association des entreprises privées individuelles de Qionghai, Industrie de Xintian, Association des entreprises privées individuelles de Qionghai, Hainan Haisenquan Agriculture Development Limited Company Xingnoong Alliance Store, Hainan Ruiyuan Property Management Limited Company Wangxing Garden Management Office & Qionghai Wanquanhe Water Entertainment Limited Company.