- Drillgate Co., Ltd
- Drill bits,Drill rods,Shankadapters,Coupling sleeve,Coupling adapter.
- Address:
- Daegun Construction & Services Co., Ltd.
- Integral Drill Steels,Extension Rod,Coupling Sleeve,Shank Adapter,Button Bit,Construction Machinery,Mining Machinery.
- Address:# 590-1, Gojan, Cheongbuk,
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