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SWT components are ISO9001:2015, ISO14001  :2015 certified. 
All products have met the standards of RoHs and REACH.
A strict quality assurance is SWT's guarantee.

Inspection Equipment
                   1、Trademark registration certificate---SWT
                   2、High Tech enterprise
                   3、30 Projects certified patent,5 of them are inventions 
                   4 、ISO9001:2015 and ISO14001:2015 certified
                   5、Draft the Buzzer standards for Chinese industry
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