Every performance Lets the casing shoe effective in applications ranging from very abrasive, lighting fractured formation to loose conglomerates or overburden nationals.

1. A hard matrix is durable for use in changing formations with both high and low thrust drilling;
2. A medium-hard matrix for use in moderately abrasive and fractured formation.

Character:
1. Size from AW, BW, NW, HW, PW, SW ( include NQ, HQ, PQ drilling rod casing shoe );
2. Crown: Flat and "V" type, and other types needed by customers;
3. Natural diamond set-surface and impregnated diamond.