Infrastructure is the focus of China's economic construction, water supply and drainage works, in particular large-scale sewage treatment works including piping,brass stop  valves and other water treatment equipment manufacturing industry has formed a strong water industry. For the valve industry, provides a good opportunity. China has entered WTO, the global demand for valves each year about three million tons. To take full advantage of the valve industry is labor-intensive, labor conditions, China's per capita wage is low, the transfer of production from developed to developing countries, such as advantages, and actively moving toward a platform for the world economy. Several topics on the status of the valve to the drainage and development.
The current state of
Now, about the size of the brass check valve 3000 Factory, of which 600, Wenzhou, Zhengzhou nearly 200 more than more than 150 Shanghai, 250, Liaoning, Jiangsu, Fujian, more than 200, despite the good and the bad, but the products have reached more than 3000 species model, nearly 30,000 specifications. In a multi-species, sealing performance, strength requirements, regulatory function, movement and circulation of performance properties, especially the sealing performance, have made great progress, retired ten years ago, the urban water supply authorities association industry famous saying that "10 nine valve leak ", although some exaggeration, but there is a fact.