JH-D1 and JH-D3, special polyester-based polyurethane elastomer substrate, compared with other polyurethane elastomers of the same type, its high impact resistance, high wear resistance, high heat resistance and other properties, it has been widely used in cementing, sand mixing, low pressure fracturing and other fields. It has good applicability to fracturing fluids with different sand content. Jh-y5 and JH-Y6, JH-Y5 are developed for the SKF X-ECOPUR series of Vere rubber skin. The inner and surface of the products have very high evenness, and at the same time, they are pressed under very high pressure in the production process, the mechanical properties of the products processed by this process are obviously better than those of SKF X-ECOPUR series products. JH-Y6 shale oil, shale gas and other ultra-high pressure conditions for special products, with excellent stability. JH-Y5 and JH-Y6 have good acid resistance.