Up to 5 files, each 10M size is supported. OK
Zhengzhou Hanyun Construction Machinery Co.,Ltd 86-177-88159708 hanyun@hydraulicbreakerhammers.com
Quality Control Get a Quote
Home -

Zhengzhou Hanyun Construction Machinery Co.,Ltd Quality Control

  • China Zhengzhou Hanyun Construction Machinery Co.,Ltd certification
    CE
  • China Zhengzhou Hanyun Construction Machinery Co.,Ltd certification
    ISO9001
  • China Zhengzhou Hanyun Construction Machinery Co.,Ltd certification
    ISO14001
  • China Zhengzhou Hanyun Construction Machinery Co.,Ltd certification
    Export license
  • China Zhengzhou Hanyun Construction Machinery Co.,Ltd certification
    Business License
We keep working online, get in touch.

If you want to know more product information, or the latest quotation, you can contact us at any time, we will do our best to provide more services.

Contact Us

86-177-88159708

QC Profile

Raw materials purchasing

1. Raw materials are purchased from big qualifeid factories in China;

2. Physical inspection on raw materials like thickness, length, diameter, etc;

3. Chemical Inspection on steel components.

In-processing 

1. UT testing on welding joints;

2. Check details of semi-finished products.

After-processing

1. Test running of electrical parts;

2. Trial-installation of main structures and spare parts