DONGWOO MACHINERY CO., LTD.

We are specialized in manufacturing down the hole hammer bit since ***0. Our manufacturing skills, quality con

DongWoo Machinery is specialized in manufacturing DTH (Down the Hole) Hammer Bit since ***0. Our manufactur

Overburden Drill Bit is manufactured to support the foundation of working site to prevent collapse while dr

We are specialized in manufacturing down the hole hammer bit since ***0. Our manufacturing skills, quality con

Auger Bit: Auger Bit is designed to utilized in worksites where is consisted of soil and sand so the hammer

We are specialized in manufacturing down the hole hammer bit since ***0. Our manufacturing skills, quality con

DongWoo Machinery, is specialized in manufacturing DTH (Down the Hole) Hammer Bit since ***0. Our manufactu

CD Hammer (Cluster Drill Hammer) is the one of our best-selling product, which we invented and patented. CD

DongWoo Machinery has been manufacturing Bits with outstanding quality and experience. We are proud of dril

RC Type CD Hammer (with wide diameter of ***0mm, ***0mm or ***0mm) is specialized in drilling on particular

Overburden Drill Bit is manufactured to support the foundation of working site to prevent collapse while dr

CD Hammer Bit is to replace the Standard Bit to minimize noise and vibration where have ground disturbance

Auger Bit: Auger Bit is designed to utilized in worksite where is consisted of soil and sand so the hammeri

DongWoo Machinery has been manufacturing Bits with outstanding quality and experience. We are proud of drillin

Overburden Drill Bit, is manufactured to support the foundation of working site to prevent collapse while d

CD Hammer (Cluster Drill Hammer); is the one of our best-selling product, which we invented and patented. C

DongWoo Machinery, is specialized in manufacturing DTH (Down the Hole) Hammer Bit since ***0. Our manufactu

RC Type CD Hammer (with wide diameter of ***0mm, ***0mm or ***0mm) is specialized in drilling on particular

We are specialized in manufacturing down the hole hammer bit since ***0. Our manufacturing skills, quality con

We are specialized in manufacturing down the hole hammer bit since ***0. Our manufacturing skills, quality con

We are specialized in manufacturing down the hole hammer bit since ***0. Our manufacturing skills, quality con