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Why Can We Always Ensure Excellent Quality

Quality Control

1: Raw materials tandard control

2: Quality control over semi-finished

3: Porosity control over semi-finished products

4: loading method control

5: Sintering parameters control

6: Finished products sorting

$Zhengzhou Rongsheng Refractory Co., Ltd.$

Certification

$Zhengzhou Rongsheng Refractory Co., Ltd. Certifications$

Standard: ISO9001:2008

Number: 02412Q2010021ROM

Issue Date: 2015-03-24

Expiry Date: 2018-04-06

Scope/Range: Refractory Materials

Issued By: Guangdong Zhongjian Certification Co.,Ltd

$Zhengzhou Rongsheng Refractory Co., Ltd. Certifications$

Standard: Export Certification

Number: 4100571031484

$Zhengzhou Rongsheng Refractory Co., Ltd. Certifications$

Standard: CE certification

Number: OH161213.ZRK

Issue Date: 2016-12-13

Expiry Date: 2021-12-12

Scope/Range: Refractory Materials

Issued By: Ente Certificazione Macchine Srl

$Zhengzhou Rongsheng Refractory Co., Ltd. Certifications$

Standard: Certificate of Quality Management System

Number: 29717Q10003ROS

Issue Date: 2017-05-16

Expiry Date: 2022-05-15

Scope/Range: Refractory Materials

Issued By: Fangyuan Testing Certification Co.,Ltd.

$Zhengzhou Rongsheng Refractory Co., Ltd. Certifications$

Standard: The Certificate Of Environmental Management System

Number: 29717E10001ROS

Issue Date: 2017-05-16

Expiry Date: 2022-05-15

Scope/Range: Refractory Materials

Issued By: Fangyuan Testing Certification Co.,Ltd.

$Zhengzhou Rongsheng Refractory Co., Ltd. Certifications$

Standard: Occupational Health and Safety Assessment Series

Number: 29717S10001ROS

Issue Date: 2017-05-16

Expiry Date: 2022-05-15

Scope/Range: Refractory Materials

Issued By: Fangyuan Testing Certification Co.,Ltd.

$Zhengzhou Rongsheng Refractory Co., Ltd. Certifications$

Standard: Gold Supplier Of Year 2014

Issue Date: 2014-12-01

Issued By: Zenith Steel Group Company Limited

$Zhengzhou Rongsheng Refractory Co., Ltd. Certifications$

Standard: Good Supplier for Netword Award Of Year 2013

Issue Date: 2014-03-01

Issued By: Alibaba

$Zhengzhou Rongsheng Refractory Co., Ltd. Certifications$

Standard: Good Supplier for Netword Award Of Year 2017

Issue Date: 2017-03-04

Issued By: Henan International Trade Network Association

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