1. Question: Will there be problems with trachoma and stomata?Answer: Every product shipped by our company has been inspected and approved by various instruments① We use a vacuum furnace for melting, which eliminates adverse phenomena such as porosity and sand holes② We conduct internal inspection a
Beryllium copper often produces an oxide film on its surface during heat treatment. Before further electroplating and welding processes, the beryllium copper oxide film must be removed. The commonly used beryllium copper cleaning methods are as follows:Disperse beryllium copper in 20% dilute sulfuri
