1. Different material such as Q345B, Q690D, Weldox and so on, are for your options or according to your appliPCion purpose.
2. We will supply all the pipeline for you, according to your appliPCion. So pls advise your appliPCion purpose (with breaker or
pulverizer or with any other attachments).
3. All pins are hardened (to enhance its hardness) and high-frequency tempered (to enhance its toughness) and grinded (to enhance precision)