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Shenzhen Zhongyi Optoelectronics Co.,ltd Quality Control

Zhongyi is a trusted and professional supplier I have ever met.Thanks so much for your help to deal with my last urgent order.

—— Michael

I have bought twice from Andy, and the quality is great. Hope you guys can be better and better.

—— Dinesh

Good service!At one time,my flight case have crashed when shipping, thanks for doing maintenance and renew our screens.

—— Mohammed

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QC Profile

We have a strict quality control system. They are divided into three parts, before production, in production and after productions.


Before productions: The materials are tested fully before they enter into our materials warehouse. If there is quality problem, they will be sent back to our materials.


In productions: The materials are keep in appointed location where the temperature and moisture strictly controlled. As soon as the packages of materials is open, we use the materials up at the appointed time.If there is some left, these will be kept inside appointed locations like refrigerators or ovens.The modules should be tested 48 hours to make sure the quality is good.


After productions: The screens are tested for 3 days before it is ship out of our factory.



  • Shenzhen Zhongyi Optoelectronics Co.,ltd



    Issue Date:2014-08-09

    Scope/Range:LED Display

    Issued By:Shenzhen NTEK Testing Technology Co.,Ltd

  • Shenzhen Zhongyi Optoelectronics Co.,ltd



    Issue Date:2014-08-08

    Scope/Range:LED Display

    Issued By:Shenzhen Toby Technology Co.,Ltd

  • Shenzhen Zhongyi Optoelectronics Co.,ltd

    Standard:ISO 14001


    Issue Date:2014-08-12

    Scope/Range:Led display

    Issued By:Guangdong Quality Testing TCT Certification Co.,ltd

  • Shenzhen Zhongyi Optoelectronics Co.,ltd
Contact Details
Shenzhen Zhongyi Optoelectronics Co.,ltd

Contact Person: Mr. Andy chen

Tel: 86-755-3312-8945

Fax: 86-755-3312-8945

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