Ceramic Liner
 Ceramic Liner:
    1. Ceramic liner widely used in tough environments such as deep oil reservoirs, hard stratum, and offshore oil and natural gas exploitation.
    2.The service life is 5 times higher than bi-metal liner, up to 4000 hours.
    3.Zirconia ceramic liner has various advantages, such as wear-resistance, erosion-resistance, high pressure-resistance, high hardness, and so on.
    4.It can improve drilling efficiency and reduce the cost of maintenance and labor.