ZK-300 Drilling Machinery

Wanlong Times Technology Co., Ltd.

Drilling Machinery for stone drilling More>>>

DOWNHOLE MOTOR

Cangzhou Great Drill Bits Co.,Ltd.

Medium Speed / Medium Torque Power Section Motor with lobe 5:6 is commonly used in general... More>>>

PDC REAMER

Cangzhou Great Drill Bits Co.,Ltd.

A new pattern to prevent & solve the down hole complication situation. Supply a safety & ... More>>>

PDC REAMER

Cangzhou Great Drill Bits Co.,Ltd.

The Crocodile Reamer can trim the irregular well side by scraping the tight,key- seating.etc se... More>>>

TorkBuster

Cangzhou Great Drill Bits Co.,Ltd.

TorkBuster is connected above the PDC bit, driven by drilling fluid, the internal rotating hamm... More>>>

Diamond Drilling Tools

Wanlong Times Technology Co., Ltd.

1 High efficiency,no-chipping,long life 2 Selectable adaptor sizes: Dia6 8 10mm shank, M14 thread, ... More>>>

Core Drill Bits

Wanlong Times Technology Co., Ltd.

1 High effciency, long life and no breaking of segments 2 Sizes of adaptor for threaded bit... More>>>

5 Inch Concrete Core Drill Bit

Wanlong Times Technology Co., Ltd.

5 inch diamond coring bit designed for laser welding and silver brazing on steel coring barrels for ... More>>>

Diamond Core Drill Bits for Granite Stones

Wanlong Times Technology Co., Ltd.

The diamond coring bit for granite is a coring bit specially developed and produced by Wanlong for g... More>>>

Dry Concrete Core Bits for Concrete

Wanlong Times Technology Co., Ltd.

Dry Concrete Core Bits for Concrete More>>>