Hunan Tianying Drilling Machine Manufacturing Co., Ltd.
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6 Years
hunan, zhuzhou
Since 1958
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Tricone Drill Bit
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Supplier Homepage > Products

PRODUCT CATEGORIES

Tricone Drill Bit

 (47)

Hard Rock Drill Bits

 (45)

Mining Drill Bits

 (46)

Roller Cone Drill Bit

 (62)

TCI Tricone Bit

 (41)

Rotary Rock Bit

 (27)

Roller Cone Bit

 (24)

Blast Hole Drill Bits

 (20)

Tricone Rock Bit

 (20)

Tricone Roller Bit

 (20)

Rock Drilling Tools

 (20)

Rock Roller Bits

 (21)

PDC Drill Bit

 (32)

Why Can We Always Ensure Excellent Quality

Quality Control

Tianying fouce on the quality for all the drill bit. every products need to pass 4 steps for the QC department before ship to the clients,

1. QC for the raw materials.

2. QC for every steps during the production process.

3. QC for the finished products and into the warehouse.

4. QC for after finshed the packing and ship to clients.

Certification

Hunan Tianying Drilling Machine Manufacturing Co., Ltd. Certifications
Standard: ISO9001
Number: 10118Q11241RIS
Issue Date: 2018-02-09
Expiry Date: 2021-02-08
Scope/Range: Drilling tools
Issued By: Beijing Zhongliantianrun
Hunan Tianying Drilling Machine Manufacturing Co., Ltd. Certifications
Standard: ISO9001
Number: 10118Q11241RIS
Issue Date: 2018-02-09
Expiry Date: 2021-02-08
Scope/Range: Drilling tools
Issued By: Beijing Zhongliantianrun
Hunan Tianying Drilling Machine Manufacturing Co., Ltd. Certifications
Standard: ISO9001
Number: 10118Q11241RIS
Issue Date: 2018-02-09
Expiry Date: 2021-02-08
Scope/Range: Drilling tools
Issued By: Beijing Zhongliantianrun
Hunan Tianying Drilling Machine Manufacturing Co., Ltd. Certifications
Standard: ISO9001
Number: 10118Q11241RIS
Issue Date: 2018-02-09
Expiry Date: 2021-02-08
Scope/Range: Drilling tools
Issued By: Beijing Zhongliantianrun
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