spacer
Spacer is forged by high quality alloy steel 35CrMo or 40CrMnMo, and holding high machinery performance and shock resistance after heat treatment, which has no crack and impurities .
spacer
Spacer is forged by high quality alloy steel 35CrMo or 40CrMnMo, and holding high machinery performance and shock resistance after heat treatment, which has no crack and impurities .