Large-effectiveness non-contact labyrinth seals are wear-totally free and boost dust blocking reliability. The design is simple, resulting in less transferring factors in contact with rocks and dust. All parts in the crusher have wear-resistant defense: such as replaceable moving cone spherical body, principal body seat liner, key body pin sleeve, https://hp300conecrusherwearparts30639.kylieblog.com/40028888/the-basic-principles-of-counterweight-liner-1038018155