Company Qualification
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ISO9001:2015
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ISO14001:2015
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OHSAS18001:2007
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SGS
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3A Credit Grade
Product Qualification
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CCC(Certificate of China Compulsory product)
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CQC18021190442
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CQC18021190443
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CQC18021190499
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CQC18021190500
![certificate of registration](http://www.tstyelectric.com/upload/images/20201105_092910.jpg)
Certificate of Registration
![CE](http://www.tstyelectric.com/upload/images/20240723_174614.jpg)
CE
Test Report
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S11 oil transformer test report
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S11 oil transformer test report
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S13 MRL Tridimensional Toroidal-Core Power Transformer Test Report
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S13 Oil transformer report
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S13 oil transformer report
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SCB10 dry tranformer test report
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SCB11 dry transformer test report
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SH15 Amorphous Transformer Test Report
![4500kva transformer](http://www.tstyelectric.com/upload/images/20210127_155844.png)
4500kva oil transformer operational report