Wenzhou Manufacturing High-quality Development Conference

As a alloy valve manufacturer, Since Weidouli established 30 years ago, we always deeply trusted and supported by customers at domestic and abroad. With the development and the increasing demand for s...

1. The shell material of the stainless steel ball valve: gray cast ironDue to its low price and wide application range, gray cast iron ball valves are used in various industrial fields. They are often...

Gate valve has the characteristics of small fluid resistance, wide range of applicable pressure and temperature, and is the most commonly used cut-off valve, used for cutting off or connecting the med...