Quality Control - Hunan Tianying Drilling Machine Manufacturing Co., Ltd.

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Hunan Tianying Drilling Machine Manufacturing Co., Ltd. Quality Control

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Tricone Drill Bit (22)

Hard Rock Drill Bits (23)

Mining Drill Bits (23)

Roller Cone Drill Bit (30)

TCI Tricone Bit (20)

Rotary Rock Bit (14)

Roller Cone Bit (12)

Blast Hole Drill Bits (9)

Tricone Rock Bit (10)

Tricone Roller Bit (10)

Rock Drilling Tools (10)

Rock Roller Bits (11)

PDC Drill Bit (16)

TIANYING drill bit have good quality and service. we trust this company. it's a smart choice to work with them.

—— Mr Samual

i like this company. the quality is very good and after service is quite on time.espacially the staff are very enthusiastic

—— Mr Ahamed

it's been already 3 years we use their drill bits. we trust their quality we had a little problem though but they fixed quite well. good job.

—— Ashok Amardeep

Thank you Tianying drill bit, they done a great job.we like they so much.

—— Mr Satsangi

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QC Profile

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

Standard:ISO9001

Number:10118Q11241RIS

Issue Date:2018-02-09

Expiry Date:2021-02-08

Scope/Range:Drilling tools

Issued By:Beijing Zhongliantianrun

Standard:ISO9001

Number:10118Q11241RIS

Issue Date:2018-02-09

Expiry Date:2021-02-08

Scope/Range:Drilling tools

Issued By:Beijing Zhongliantianrun

Contact Details

Hunan Tianying Drilling Machine Manufacturing Co., Ltd.

Contact Person: Mrs. Shirley Wu

Fax: 86-731-28451880