Changsha Tianhe Drilling Tools and Machinery Co.,Ltd.
Active Member
8 Years
ningxia, jinzhou
Since 2002
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DTH Drilling Tools

 (80)

DTH Drill Bit

 (49)

Down The Hole Hammer

 (60)

Drill Steel Pipe

 (56)

Down Hole Hammer

 (40)

Reverse Circulation Hammer

 (21)

Down Hole Hammer Drill Bits

 (50)

DTH Hammer Bits

 (40)

DTH Button Bits

 (50)

ODEX Drilling System

 (20)

Overburden Drilling Systems

 (74)

Casing Drilling System

 (40)

Why Can We Always Ensure Excellent Quality

Quality Control

Quality Control:

1, Raw material selection, we purchase the high-quality steel and strictly control the material composition and size, it main includes the detection of the shape, diameter, reamed diameter, length composition, and flaw of the raw material, besides, we marked every different piece of materials before transferred to the warehouse.

2, In strict accordance with the ISO2009:2008 international standards for production. Carefully control every step of the production, complete each of the production process, the production process is including banking, forging, pre-treatment, rough turning, fine turning, heat treatment and carburizing, quenching, tempering, double heat treatment, then storage. Each working procedure was full inspected, after the qualification, then move to next working procedure, which to ensure the 100% qualified rate.

3, Re-inspect all key working procedure, mainly through the visual inspection and sampling observation, then, numbered, packing and arrange the shipment.

Quality Management Process
1. Material Vendor Assessed
2. Incoming Materials Inspected
3. In-process Product 100% Check
4. Random Check after Final Packaging
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Changsha Tianhe Drilling Tools and Machinery Co.,Ltd.
Changsha Tianhe Drilling Tools and Machinery Co.,Ltd.

Certification

Changsha Tianhe Drilling Tools and Machinery Co.,Ltd. Certifications
Standard: QUALITY MANAGEMENT SYSTEM CERTIFICATE
Number: 00116Q22035R0M/4300
Issue Date: 2016-03-03
Expiry Date: 2019-03-02
Scope/Range: DESIGN,MANUFACTURE And SERVICE Of ROCK DRILLING EQUIPMENT And TOOLS
Issued By: CQC
Changsha Tianhe Drilling Tools and Machinery Co.,Ltd. Certifications
Standard: Supplier Assessment
Number: 16337973-P+T
Issue Date: 2017-04-19
Expiry Date: 2018-04-19
Scope/Range: DESIGN,MANUFACTURE And SERVICE Of ROCK DRILLING EQUIPMENT And TOOLS
Issued By: SGS
Changsha Tianhe Drilling Tools and Machinery Co.,Ltd. Certifications
Standard: Supplier Assessment Certificate
Number: 16337973-P+T
Issue Date: 2017-04-19
Expiry Date: 2018-04-19
Scope/Range: DESIGN,MANUFACTURE And SERVICE Of ROCK DRILLING EQUIPMENT And TOOLS
Issued By: SGS
Changsha Tianhe Drilling Tools and Machinery Co.,Ltd. Certifications
Standard: QUALITY MANAGEMENT SYSTEM CERTIFICATE
Number: 00116Q22035R0M/4300
Issue Date: 2016-03-03
Expiry Date: 2019-03-02
Scope/Range: DESIGN,MANUFACTURE And SERVICE Of ROCK DRILLING EQUIPMENT And TOOLS
Issued By: CQC
Changsha Tianhe Drilling Tools and Machinery Co.,Ltd. Certifications
Standard: Supplier Assessment
Number: 16337973-P+T
Issue Date: 2017-04-19
Expiry Date: 2018-04-19
Scope/Range: DESIGN,MANUFACTURE And SERVICE Of ROCK DRILLING EQUIPMENT And TOOLS
Issued By: SGS
Changsha Tianhe Drilling Tools and Machinery Co.,Ltd. Certifications
Standard: Supplier Assessment Certificate
Number: 16337973-P+T
Issue Date: 2017-04-19
Expiry Date: 2018-04-19
Scope/Range: DESIGN,MANUFACTURE And SERVICE Of ROCK DRILLING EQUIPMENT And TOOLS
Issued By: SGS
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