| About us |
Changsha Changtan Machinery Co., Ltd. is a professional company engaging in the developing, manufacturing and exporting of high quality drilling rigs, diamond core bits and other drilling tools widely used in mineral exploration, soil investigation, mining, water-well, quarrying, tunneling, foundation & construction industries. Due to the excellent quality, competitive price, superior service, our products have been exported to many countries and won a very good reputation from all of our customers. So we are quite sure that the equipments will meet the requirement of you. Please find our products line as follows: 1. Drilling Rigs for hole depth from 30m to 1600m; 2. Mud Pumps; 3. Diamond Core Bits & Reaming Shells; 4. DTH hammers, similar or equal DHD, COP and SD series hammers; 5. DTH bits, similar or equal DHD, COP and SD series bits; 6. Threaded bits & tapered bits, diameter from 33mm to 127mm; 6. Other drilling accessories, such as drill rods, core barrel, casing pipes, etc; 7. Laboratory facilities for mining. |
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