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Quality Control

Quality Control


SOKOYO carries out standard inspection and test procedure and follows a very strict quality control process under the guidance of ISO 9001and ISO 14001standard.


Raw Material Check

Raw Material Check

  • Choosing reliable assessed suppliers for the raw materials and controlling the quality of incoming materials, our quality inspection team executes sampling inspection for 10% of incoming materials.


Raw Material Check Raw Material Check
Production Process

Production Process

  • IN-PROCESS quality audit. Our quality inspection team executes routine inspection for the whole production process over all of our street solar led lights accordingly with the standard operating procedure. Our team are focusing on the quality of critical processes like welding, soldering, LED chip mounting, lamp colour, wiring connections, controller settings, battery test, labels, carton box print, and some other special requirements listed in the SOP.

Production Process Production Process
Finished Product Test

Finished Product Test

  • Pre-shipment testing. With more than 10 years of working experience, SOKOYO's experienced quality inspectors inspect 10% of the mass production according to the production sheets and the acceptable quality level required by the customer. Then the QC team of the ready-made products will check the quantities, packaging standards, labelling, safety of loading the goods and take photos before delivery. As a professional solar LED light manufacturer in China, SOKOYO offers solar and LED lights with consistently high quality.

Finished Product Test Finished Product Test



Our Blog
SOKOYO latest project case in Zhejiang

Sep 16,2022

SOKOYO latest project case in Zhejiang

The latest project case in Zhejiang, China adopts SOKOYO's patented product - integrated solar street light COOLEXThe overall design is concise and beautiful, and it is representative of high-end ...

Celebrating SOKOYO as a member of Zhaga

Sep 02,2022

Celebrating SOKOYO as a member of Zhaga

The lighting industry is used to working with standardized light sources. LED technology offers many benefits, but the lack of specifications can make it difficult to exchange one LED light source for...

SOKOYO Solar Lighting Appeared in

Jul 21,2022

SOKOYO Solar Lighting Appeared in "2022 Ningbo International Lighting Exhibition"

From July 18th to 20th, "2022 Ningbo International Lighting Exhibition" was grandly held in Ningbo International Convention and Exhibition Center. More than 1,500 lighting and related compan...

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If you have any product inquiries or seek for technical support and after-service support, please feel free to contact SOKOYO.