TUBING
• High quality allow steel tubing.
• 100% inspection ensures consistent concentricity, straightness and heat treatment.
THREAD
• Larger, deeper threads (2.5 threads per inch) provide maximum durability.
• Load efficiency of 40% provides sufficient strength for large hole sizes
Quality control
1. We have been strictly controlled the quality of our raw materials, and all of our steel metals are from famous stee
factories. And physical metallographic analysis and chemical composition test are also used to ensure the quality of raw materials.
2. Immediate inspection will be done for each production procedure, and full examination will be implemented for threaded products.
3. Our outsourcing products will also be strictly examined before utilization.
4. Our sampling rate for final products is higher than 30%.
Company Profile
- Established since 1958, More than 60 years experience on core drilling tools manufacturing.
-Building area 53208 M2. Land area 80815M2.
- Around 200 employees.
- More than 4000 tons of raw material turnover in order to make sure delivery on time.
- Export over 20 countries.
- Market share reaches 70% in domestic drilling industry.
- Raw material of steel from famous steel factory.
We have Friction welding production line,Thread casing hardening process production line .
Joint production line,Drill pipe production line, Automatic thickening production line,Bit sintering line,
Turn-milling line.Shot blasting and flaw detection production line.Mechanical arm production line.
why choose us
Products are used in many national major projects
Warehouse
PACKAGE
Certification
.Passed the certification of ISO 9001:2000 quality system.
.Passed OHSAS18000 Occupational Health and Safety Management System Certification .
.We have more than 70 items independent intellectual property patents,Our new generation
wire line drill rod has broken the depth record of domestic diamond drilling.
EXHIBITION
