Name: PDC Bit Brand: SDTOPS Model: GC Size: 56~214mm Matrix material: Steel Life time: 100m~400m Application: Geological exploration, coalfield mining, water well drilling , etc. Applicable formation: Soft and medium hard rocks, like Sandstone, Shale, Limestone, Conglomerate, Mable, etc.

Name: PDC non-coring bit, Pillar type Brand: SDTOPS Model: TP98 Size: 49mm~214mm Matrix material: Tungsten alloy Life time: 800m~1000m Application: Geological exploration, coalfield mining, water well drilling and water conservancy and hydropower, etc. Applicable formation: Soft and medium hard rocks, like Sandstone, Shale, Limestone, Conglomerate, Mable, etc. Features: About 10 times useful life than Carbide drill bit; About 4 times useful life than Diamond drill bit

Name: PDC non-coring bit, Concave type Brand: SDTOPS Model: TCV Size: 65mm~214mm Matrix material: Tungsten alloy Life time: 800m~1000m Application: Geological exploration, coalfield mining, water well drilling and water conservancy and hydropower, etc. Applicable formation: Soft and medium hard rocks, like Sandstone, Shale, Limestone, Conglomerate, Mable, etc. Features: About 10 times useful life than Carbide drill bit; About 4 times useful life than Diamond drill bit