Please contact us by phone or input the below Form to make an inquiry about our testers, support, requests for information or general questions.
A YSS representative will contact you based on the inputted information.

Inquiries for YSS Products

    Catalog No. or Product Name*



    Company Name*

    *Please input as much information as possible.


    First name*

    Last name*

    ZIP Code*



    Telephone Number*

    E-Mail Address*


    For Inquiries by Telephone(HEAD OFFICE


    Office Hours 9:00 〜 17:00 GMT/UTC +0900
    [Except for Saturdays, Sundays, and National Holidays in Japan]

    *Tips to make things smooth when making an inquiry by Telephone

    We at YSS have multiple Sales representatives assigned different areas.
    Please inform us of the COUNTRY (AREA) of the End-User.

    For customers which already possess a YSS tester,
    please clarify the Product No. (Product Name) / Serial No. / Date. (Please check the below for further details↓)

    How To Check the Serial No. / Manufacture Date

    The Serial No. / Manufacture Date can be found on the Name Plate, located on the side / rear (front for long-used testers) of the tester. The product details can also be found on the Inspection Report. Please contact us if you need any assistance if you are not sure where to find the product information.