STANDARDS ORGANISATION OF NIGERIA 
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Product Certificate

 

STANDARDS ORGANISATION OF NIGERIA CONFORMITY ASSESSMENT PROGRAMME

Product Certificate No.: CSIC19NPR0409
Issued to: Zhengzhou Rongsheng Refractory Co., Ltd
Issued Date: 01 Apr 2019
Remarks: L9438
Issued by: CSIC CTRY OFFICE

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Product description

Reference

1 CN 85451100 graphite electrode`RS`UHP 400 YB/T4090-2015