Quality

1. KINGDRILLING DIAMOND has a professional QC team with 15 years experience to provide DTH hammer bit with the best quality and high stability.
2. 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.
3. We will pack the cargo well with wooden cases, to make sure the goods in good status during delivery.

 

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