Dozens of year development, Hunan TongDa Automation feed water equipment CO.Ltd Automation feed water equipment CO.Ltd  trail proliferates the great river north and south, has set up hundred in the national more than 400 large and middle scale cities to monopolize the store, adopts industry in the biggest line the public figure every year is several thousand domains provides the sales service.

Regional sales network ： Anhui Province Beijing Fujian Province Gansu Province Guangdong Province Guangxi Province Guangxi Province Zhuang national minority autonomous region Guangxi Zhuang Autonomous Region Guizhou Province Hainan Province Hebei Province Henan Province Heilongjiang Province Hubei Province Hunan Province Jilin Province Jiangsu Province Jiangxi Province Liaoning Province Inner Mongolia Autonomous Region Ningxia Hui Autonomous Region Qinghai Province Shandong Province Shanxi Province Shanxi Province Shanghai Sichuan Tianjin Tianjin Xinjiang Uygur Autonomous Region Xinjiang autonomous region Yunnan Province Zhejiang Province Chongqing