Changsha Golden Drilling Machinery Co.,Ltd
| Payment Terms | T/T, L/C, Western Union |
| Supply Ability | 1500pcs per month |
| Delivery Time | 3-10days |
| Packaging Details | 1. Wrapped with plastic film. 2. Fixed with iron support, wheel or pallet when necessary. (3. Packed with wooden cases for small things.) |
| attachment equipment | rotary drilling rig |
| After-sales service provided | video technical support , online support |
| Processing type | Forging |
| Kelly box | suit for any brand machine Kelly box |
| Diameter | 600-3000 |
| Service | ODM,OEM |
| Thread | left or right |
| Outside diameter | 25mm |
| Brand Name | JZTG |
| Model Number | ASD |
| Certification | CE,ISO,IAF,CQC |
| Place of Origin | Changsha, China |
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Product Specification
| Payment Terms | T/T, L/C, Western Union | Supply Ability | 1500pcs per month |
| Delivery Time | 3-10days | Packaging Details | 1. Wrapped with plastic film. 2. Fixed with iron support, wheel or pallet when necessary. (3. Packed with wooden cases for small things.) |
| attachment equipment | rotary drilling rig | After-sales service provided | video technical support , online support |
| Processing type | Forging | Kelly box | suit for any brand machine Kelly box |
| Diameter | 600-3000 | Service | ODM,OEM |
| Thread | left or right | Outside diameter | 25mm |
| Brand Name | JZTG | Model Number | ASD |
| Certification | CE,ISO,IAF,CQC | Place of Origin | Changsha, China |
| High Light | roller bit drilling ，rotary drilling tools | ||
OEM Service Foundation Drilling Tools 25mm Outside Diameter Video Technical
Core barrels are generally divided into two types:
1- Core Barrel with Bullet Bits
Applicable for strong rock up to 100MPa or Rock with deep cracks:
2- Core Barrel with Roller Bits
Applicable for very strong rock formations with compressive strength grater than 100MPa;
Cutting Diameter Range: 600~3000mm
Company Details
Business Type:
Manufacturer
Year Established:
2009
Total Annual:
12,000,000-16,000,000
Employee Number:
130~150
Ecer Certification：
Active Member
Changsha Golden Drilling Machinery Co., Ltd. Was founded in the central city of the capital of construction machinery - Changsha, Hunan in 2008 .Our Main Products : Rotary drilling rig & Drill pipe, Rotary drilling bit、Tooth、Pick wire rope、Pipe、Casing and other accessories. It is a ... Changsha Golden Drilling Machinery Co., Ltd. Was founded in the central city of the capital of construction machinery - Changsha, Hunan in 2008 .Our Main Products : Rotary drilling rig & Drill pipe, Rotary drilling bit、Tooth、Pick wire rope、Pipe、Casing and other accessories. It is a ...
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