Quality Control

Sun John Corporation is ISO 9001 certified. We have our own in-house laboratory, and periodically we submit samples for analysis at third-party laboratories.  We apply a stringent quality control system.

Quality Control picture
Tensile Testing

TENSILE TESTING

ISO CERTIFICATION

ISO CERTIFICATION

 CE APPROVAL

CE APPROVAL

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OTHER WAYS TO REACH US

EXPORT DEPARTMENT

  • Contact person

    Mr. Stephen Chen

  • Email

    stephen@sunjohn.com

  • Mobile

    +886-935-222-223

  • Address

    No. 87, Yuliao Road,
    Qiaotou District,
    Kaohsiung City 825,
    Taiwan