"Spring" brand valve after-sales service: Beijing Branch carries out routine maintenance on the valve equipment of Line 9 and Li

The Beijing office supplies the Beijing Metro Line 9 and Line 13, and the equipment has been in operation for nearly 2 years. Our company has actively maintained cooperation and the valves have reached the relevant standards. In the after-sales maintenance, the Beijing office after-sales engineers actively respond to the subway unit technology. Guide, in conjunction with installation and maintenance operations, to add security to Beijing traffic, good after-sales has also been strongly affirmed by Beijing Metro units, we will continue to maintain a fine tradition, let the "Quan" brand valve shine in the heart of China's pipeline!