What is the relationship between so many Huaqi galvanized pipe manufacturers in China?

Huaqi is the brand of Guangzhou Jinghua Pipe Manufacturing Co., Ltd. ... Guangzhou Jinghua Pipe Manufacturing Co., Ltd. is located in Datang Village, Huadong Town, Huadu District, Guangzhou, which is 10 km away from Guangzhou New Baiyun International Airport. Founded in 2002, the company has 600 employees, including 50 professional technicians/kloc-0, and 35 senior titles. The factory covers an area of 120 mu with a registered capital of 80 million yuan.