Which is better, Tianjin Waters Valve or Shanghai Guanlong Valve?

Fujian Waters OEM made it. I started to cooperate with Watts in the United States and branded myself with other people's brands. Word of mouth is very bad now. The valve that burst at the southwest corner station of Tianjin Metro was Waters. You can go to the subway property company for consultation. Ranked 4 th-

Shen Gao, Shang Gao, is an industrial valve manufacturer, mainly producing high-pressure valves, and the brand belongs to third-rate.

Good workers don't know much about it, and they are also third-rate

At present, AVK (original factory) 1+, Tyco (original factory) 1, Watts (original factory) 1, and Guanlong (self-produced and sold without agent) 1. Note: manufacturers and customers marked with (original factory) should beware of OEM. Tyco and Watts were found to have been contracted many times. For the first time in Tianjin Metropolitan Project, the valves provided by Tyco were replaced as a whole. It's good that Zheng is dead. 1

Zhuzhou South (original factory) 2+, Kyoka (original factory) 2.

In addition, there is an "Art X" valve in Shandong Province, whose name has been forgotten. Because it is wax casting, it has a beautiful appearance, but the internal structure is the same. Mainly exports. Without in-depth contact, I dare not judge. Tentative 2.

A new brand, AISI, is owned by AVK. Except for gate valves and butterfly valves, most of them are made of Yongquan. Tentative 1.

Copper valve Amy is definitely the boss.