Yuan Shin
The brass casting production, such as valves, air pipefittings, power sprayer, cylinder, cylinder cover, gas cock parts, fireplace copper products, etc.
Ball valves is a spherical device used to control the flow. There is a switch which can be turned on or turned off on ball valves to make the water go through it or not. Usually, this device can be used for quite a while; that is, the material used for making it should be steady and firm.