(Yansong ) Process high procision metal /placstic mold /mental stamping /Automatic components


Dongguan Yansong Automation Technology Co Ltd. Quality Control

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YanSong has a good service attitude, professional processing, fast delivery and good quality. We will cooperate for a long time in the future.

—— Peter

This is my best Supplier in China. The delivery time is very fast, and there have been no complaints for a year.

—— Mike

Packing is tight and the quality of parts is very good.

—— Byran

Sudden services

—— Josh

QC Profile

Dongguan Yansong Automation Technology Co Ltd. quality control 0Dongguan Yansong Automation Technology Co Ltd. quality control 1


Yansong and quality are synonymous. Our quality control department is an essential participant in all stages of engineering and production. Quality means fully satisfying the requirements of our internal and external customers. For every member of the Yansong team, quality is a way of life.


Yansong we have the QC team and equipments. all the goods will be 100% inspect before shipping  to ensure the goods meet clients need .


Control System

Raw material control

To assure quality, all raw materials must pass the required tests before introduction to production.

Production control

By following the control requirements, necessary tests shall be conducted, such as SPC.

Final product control

To assure product quality, a finished product must undergo rigid tests as required, including: measurement, hardness, tension, film and salt and mist.

Packing control

All packing as required by the customer shall pass rigid checks before release.


Contact Details
Dongguan Yansong Automation Technology Co Ltd.

Contact Person: Mr. Chen

Tel: 0086-17713457639

Send your inquiry directly to us