Power transmission Power transmission requires a large amount of high-conductivity copper, mainly used for power wires a...
1, By alloy According to the alloy system, it can be divided into non-alloy copper and alloy copper. Non-alloy copper i...
The word "brass" was first seen in the "Shen Yi Jing· Zhong Ye Jing" written by the Western Han Dynasty. "There is a pa...
Materials are: H59, H59-1, H59-2, H59-3, H60, H60-2, H62, H63, H65, H68, H70, H80, H90; C1100, C1020, C2680, C2800, C26...