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Dongguan Liyi Environmental Technology Co., Ltd. Quality Control

We`ve received machines yesterday!It was great to work with you! In attachment the thank-you letter for you and youк boss, that was signed by my CEO.

—— Барабан Григорий

We have had a good look at the glossmeter & we like what we see. The results are respectably close to specification calibration. We love it.

—— Dave Brewer

We have received the machine, thank you for being patient with me during this time, I haven't use it yet, but I am sure that it will be okay.

—— Jose Zikasky

I love your customer service, quickly response and being thoughtful all the time. The machine delivered on time. Thank you.

—— Elizebath Roberts

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QC Profile
LIYI test equipment has built a culture of quality products and outstanding customer service at affordable prices.
All our environmental test chambers are built in our Dongguan facility with the highest standards of quality and reliability.
We believe in working closely with our customers to provide the test chamber that you require at a price that suits your budget. Our services include design, manufacture, rental, calibration, maintenance, emergency, 24 hour service, in house testing and refurbishment on all makes of environmental test chambers.

Research and Development Control


More than 10 technical engineers of the research and development team has many years of research and development experience, familiar with industrial product design principles, including circuit design, mechanical design, product design, energy conservation and environmental design



Raw Material Control


Equipment parts Suppliers must undergo ISO quality system certification to ensure the quality and safety of materials, the company's quality inspection departments for each batch of materials must undergo standard inspection



Assembly control


6 production lines, advanced technology. Bending machine,cutting machine,milling machine,8 Wire cutting machine,3 lathe,3 drilling Machine,Laser Cutting CNC Bending Machine,grinder



Finished Product Control


LIYI has a quality inspection departments and Third-party testing certification bodies. the appearance of the equipment inspection, the instrument of the internal circuit and instrumentation testing software testing, instrument calibration, sample testing.




  • Standard:ISO9001:2008

    Number:Certificate of Registration

    Issued By:Orion Registrar, Inc., USA


    Number:Certificate No. HSM13011829

    Scope/Range:Temperature Humidity Test Chamber: LY-280, LY-2150, LY-2225, LY-2408, LY-2800, LY-21000

    Issued By:GS Information & Technology Co., Ltd

  • Standard:Certificate of Confirmity

    Number:No. BAC14038004

    Scope/Range:Universal Testing Machine: LY-1065, LY-1068, LY-1066, etc.

    Issued By:Shenzhen Bory Technology Service Co., Ltd

  • Standard:Certificate of Confirmity

    Number:No. BAC140208099

    Scope/Range:Differential Scanning Calorimeter: DSC-500A, DSC-500B, DSC-500BL, DSC-100

    Issued By:Shenzhen Bory Technology Service Co., Ltd

  • Standard:Certificate of Confirmity

    Number:No. BAC140208109

    Scope/Range:MAESER Leather Dynamic Waterproof Testing Machine: LY-S507

    Issued By:Shenzhen Bory Technology Service Co., Ltd

Contact Details
Dongguan Liyi Environmental Technology Co., Ltd.

Contact Person: Ms. Sharrie Chen

Tel: 86-769-26997920

Fax: 86-769-28682030

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