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Why Can We Always Ensure Excellent Quality

Quality Control

1. GB/T 9001-2008 ids ISO 9001:2008

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2. Industrial production license

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3. SGS certificate.

Certification

Liaocheng Wantong Ventilation Equipment Co., Ltd Certifications
Standard: ISO 9001: 2008
Number: 04911Q11421R1M
Issue Date: 2011-10-25
Expiry Date: 2014-10-25
Scope/Range: Ventilation
Issued By: CNAS & IAF
Liaocheng Wantong Ventilation Equipment Co., Ltd Certifications
Standard: Industrial production license
Number: XK08-082-06066
Issue Date: 2010-10-21
Expiry Date: 2015-10-20
Scope/Range: Ventilation
Issued By: The general administration of quality supervision and quarantine of the People\'s Republic of China
Liaocheng Wantong Ventilation Equipment Co., Ltd Certifications
Standard: ISO 9001: 2008
Number: 04911Q11421R1M
Issue Date: 2011-10-25
Expiry Date: 2014-10-25
Scope/Range: Ventilation
Issued By: CNAS & IAF
Liaocheng Wantong Ventilation Equipment Co., Ltd Certifications
Standard: Industrial production license
Number: XK08-082-06066
Issue Date: 2010-10-21
Expiry Date: 2015-10-20
Scope/Range: Ventilation
Issued By: The general administration of quality supervision and quarantine of the People's Republic of China
Liaocheng Wantong Ventilation Equipment Co., Ltd Certifications
Liaocheng Wantong Ventilation Equipment Co., Ltd Certifications
Liaocheng Wantong Ventilation Equipment Co., Ltd Certifications
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