Quality Control
- KINGDRILLING DIAMOND has a professional QC team with 15 years experience to provide DTH hammer bit with the best quality and high stability.
- We will test the each product, from the raw material testing, machining processing quality testing, finished products quality testing before shipping, to make sure its high quality.
- We will pack the cargo well with wooden cases, to make sure the goods in good status during delivery.


Certifications
Standard:
HIGH-TECH
Number:
GR201642000407
Issue Date:
2016-12-13
Scope/Range:
Issued By:
HBSTD
Standard:
SGS
Number:
QIP-ASI189296
Issue Date:
2018-06-25
Expiry Date:
2024-06-25
Scope/Range:
Issued By:
SGS-CSTC
Standard:
Number:
Scope/Range:
Issued By:
Standard:
LETTER OF PATENT
Number:
2381281
Issue Date:
2014-06-13
Scope/Range:
Issued By:
Intellectual Property Office of the People's Republic of China
Standard:
Number:
Scope/Range:
Issued By:
Standard:
GB/T19001-2008
Number:
J15Q2714111R0S
Issue Date:
2022-05-27
Expiry Date:
2025-05-26
Scope/Range:
Issued By:
GIC
Company Profile
Wuhan Kingdrilling Diamond Co.,Ltd
Contact Person: MsWendy Chen