China Environmental Test Chambers manufacturer

Create value for customers, keep customers satisfied, and be respected by customers.

 

Quality Control

Shenzhen Douwin Technology Co., Ltd. Quality Control

 Quality Gurantee:

 

We have ISO9001(Quality Management System Certification), ISO14001 (Environmental Management System Certification)and CE certificate.

 

Moreover, our company has set a quality control department to ensure that our products are of good quality.

Shenzhen Douwin Technology Co., Ltd. quality control 0

In testing

 

 

Also, we have a complete after-sales service outlets over the world, so that our feedback is very quickly.

Shenzhen Douwin Technology Co., Ltd. quality control 1

Our main market and service points

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  • Shenzhen Douwin Technology Co., Ltd.
    Standard: ISO14001: 2015
    Number: 0070021E53323R0M
    Issue Date: 2021-12-10
    Expiry Date: 2024-12-09
    Scope/Range: The Relative Management Activities of Design,Development,Production and Service of Environmental Test Equipment
    Issued By: Zhongjian Certification Co., Ltd.
  • Shenzhen Douwin Technology Co., Ltd.
    Standard: ISO9001: 2015
    Number: U0021Q50479R0M
    Issue Date: 2021-12-10
    Expiry Date: 2024-12-09
    Scope/Range: Design, Development,Production and Service of Environmental Test Equipment
    Issued By: Zhongjian Certification Co., Ltd.
  • Shenzhen Douwin Technology Co., Ltd.
    Standard: Energy Saving Technology Certification Certificate
    Number: CQC-JNJSRD-1804
    Issue Date: 2018-04-02
    Expiry Date:
    Scope/Range: Test Equipment
    Issued By: China Quality Certification Centre
  • Shenzhen Douwin Technology Co., Ltd.
    Standard: Certificate of Invention Patent
    Number: ZL201710361076.0
    Issue Date: 2018-07-17
    Expiry Date:
    Scope/Range:
    Issued By: China Intellectual Property Office
  • Shenzhen Douwin Technology Co., Ltd.
    Standard: Certificate of High-tech Enterprise
    Number: GR201844201650
    Issue Date: 2018-10-16
    Expiry Date:
    Scope/Range:
    Issued By: Shenzhen Technology Innovation Committee
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