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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
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