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Why Can We Always Ensure Excellent Quality

Quality Control

Our quality control engineers are responsible for supervising and inspecting the whole production process.

Before shipping or delivery, test running shall be made to each of the finished product until it’s passed the

inspection and approved by our quality control engineers, which guarantees all the delivered products are

qualified.

Certification

Zhengzhou Zhongding Heavy Duty Machine Manufacturing Co., Ltd Certifications
Standard: Jaw Crusher CE
Number: 1922231211
Issue Date: 2011-12-30
Scope/Range: Jaw crusher
Issued By: Safenet Limited
Zhengzhou Zhongding Heavy Duty Machine Manufacturing Co., Ltd Certifications
Standard: Rotary Dryer CE
Number: 1922231211
Issue Date: 2011-12-30
Scope/Range: Rotary Dryer
Issued By: Safenet Limited
Zhengzhou Zhongding Heavy Duty Machine Manufacturing Co., Ltd Certifications
Standard: Ball MIll CE
Number: 1931301211
Issue Date: 2012-04-01
Scope/Range: Ball MIll
Issued By: Safenet Limited
Zhengzhou Zhongding Heavy Duty Machine Manufacturing Co., Ltd Certifications
Standard: Vibrating Feeder CE
Number: 1940040112
Issue Date: 2012-04-14
Scope/Range: Vibrating Feeder
Issued By: Safenet Limited
Zhengzhou Zhongding Heavy Duty Machine Manufacturing Co., Ltd Certifications
Standard: IQNeT
Number: 00111Q211732ROM/4100
Issue Date: 2011-12-15
Scope/Range: Mining Machinery(Crusher,Ball mill,Flotation Machine,Magnetic Separator,Gravity Concentration Equipment),Construction Machinery(
Issued By: IQNeT and CQC
Zhengzhou Zhongding Heavy Duty Machine Manufacturing Co., Ltd Certifications
Standard: ISO9001:2008
Number: 00111Q211732ROM-1/4100
Issue Date: 2011-12-15
Scope/Range: Mining Machinery(Crusher,Ball mill,Flotation Machine,Magnetic Separator,Gravity Concentration Equipment),Construction Machinery(
Issued By: Quality Management System
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