Which company is the most professional in the owner satisfaction survey company?

Shangshufang Information Consulting Co., Ltd. is very professional in customer satisfaction. Headquartered in Shenzhen, the company has branches or offices in Beijing, Guangzhou, Hong Kong, Chengdu, Kunming, Changsha and overseas Singapore. The implementation network covers 3/kloc-0 provinces, municipalities, autonomous regions (including Hong Kong, Macao and Taiwan) and more than 200 large, medium and small cities, covering all first-and second-tier cities in China, covering more than 85% of third-tier cities and more than 70% of fourth-tier cities and below.