If you have some specific test we also can do it for you.
Quality Control
Forge Process
Automatic forging machine
Constant temperature
100% Anneal
Brass Test
Every batch of Jiaxin test 100%
What are ball valves used for? A ball valve is a form of quarter-turn valve which uses a hollow, perforated, and pivoting ball to control flow through it. It is open when the ball's hole is in line with the flow and closed when it is pivoted 90-degrees by the valve handle