- Kukje Diamond Ind. Co. Ltd.
- Kukje manufacture various sizes of DTH (down-the-hole) hammer raging from 4" to 45" hammer. Reverse-circulation are also available. Top-subs available in API pin or box type. Hex joints, special flange joints customer's needs. patented Drive-sub (Chuck) : Drive-Sub is connected Hammer ….
- Address:B. 38 L. 3 Namdong Industrial Complex
- Jinyoung Precision Machine Co., Ltd.
- Address:209-1,Hwarihyeon-ri, Hyangnam-myeon ,Hwaseong-si
- TOP DRILL HAMMERBIT LTD
- Top Drill International Co., Ltd is a manufacturing company specializing in down the hole hammers and bits. has some proprietary technology patents its manufacturing. In korea, reputed to be best development, quality, back up service this business. This given us 40% over market share short period of time. ….
- Address:3ba-120, Sihwa Industrial Complex, Jeongwang-Dong
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