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Zhuzhou Grewin Tungsten Carbide Tools Cor., Ltd
your partner on metal cutting & wood cutting industry your expert on tungsten carbide cutting tools
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Zhuzhou Grewin Tungsten Carbide Tools Cor., Ltd Quality Info

Zhuzhou Grewin Tungsten Carbide Tools Cor., Ltd
Quality Control
All products has been passed 10 levels quality control from the powders to the final products .
Powders
The chemical composition should be checked and should be controlled inside standard.
Ready to press powders
Some small strips will be made to test its physical properties
New Mould
Some samples will be made to check its dimensions before mass production
Press
The dimensions are checked on site
Sintering
Micronstructure will be checked after sinting
Grinding
Carbide Rod will be grinding to h6
machining
all end mills machining by computer system in automatic
coating
different coating to sui different requirement on cutting requirement.
Packing
The dimensions and shapes will be checked again before packing, every end mill will be packing in single one platic box
to protect end mills well.

Certifications

Zhuzhou Grewin Tungsten Carbide Tools Cor., Ltd Certifications
Standard: Institutional-Credit-Code
Number: 0000002597
Issue Date: 2011-10-27
Scope/Range:
Issued By: The People's Bank Of China
Zhuzhou Grewin Tungsten Carbide Tools Cor., Ltd Certifications
Standard: SGS Quality Certificate
Number: QIP-ASR189012
Issue Date: 2018-01-10
Scope/Range:
Issued By:
Zhuzhou Grewin Tungsten Carbide Tools Cor., Ltd Certifications
Standard: Chinese-Credible-Enterprise
Number:
Issue Date: 2014-08-01
Scope/Range:
Issued By:
Zhuzhou Grewin Tungsten Carbide Tools Cor., Ltd Certifications
Standard: Customs-Declaration-Certificates
Number:
Issue Date: 2011-12-26
Scope/Range:
Issued By: Zhuzhou Custome Department
Zhuzhou Grewin Tungsten Carbide Tools Cor., Ltd Certifications
Standard: Quality Management System Certificate
Number: ISO9001:2008
Scope/Range:
Issued By: CQC
Zhuzhou Grewin Tungsten Carbide Tools Cor., Ltd Certifications
Standard: Registration License
Number:
Issue Date: 2011-11-21
Expiry Date: 2031-10-20
Scope/Range:
Issued By:

Company Profile

Zhuzhou Grewin Tungsten Carbide Tools Cor., Ltd

Contact Person: MissLydia

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