Which brand of AC fan cost-effective?

AC fan brand I know three giant motor this side of the product cost-effective, their cooling fan prices are quite fair, the quality is also guaranteed, three giant motor is a professional cooling fan brand, has always been committed to providing high quality cooling fan, looking for this brand to buy cooling fan to be more guaranteed, after all, it is a professional brand, the customer is more responsible for the quality of the products and services are very good, you can Baidu to find their official website to understand. After-sales service is very good, you can Baidu find their official website to understand.