JZP-2.0B Rubber Shock Absorber The JZP-2.0B is an assembled rubber shock absorber in the JZP-B series produced by Xi'an Hoan. Its rubber element is a high-resilience quick-return polymer, and the compound is a sustainable, low-carbon eco-rubber formulation. The isolator absorbs shock and damps vibration for automobiles, machinery and engines, keeping transmitted vibration and structure-borne noise low. JZP-2.0B with high-resilience quick-return polymer and sustainable low