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Why Can We Always Ensure Excellent Quality

Quality Control

The quality control system consists of the following steps:

1. Inspection and Control of incoming raw materials quality

According to the chemical content, raw materials are classified into different levels to ensure quality of brick first.

2. Inspection and control of the process

During the production, materials are mixing and molding in strict according to the specifications.

3. Inspection and control finished products

The finished products will be tested for physical and chemical properties by our most advanced test facilities, weighed and measured.

4. Quality audit by quality management.

Before delivery, the inspectors will inspect products again in factory.

5. Qualified and controled by professional and experienced technical personnel

Regular quality audit carried out ensures product quality within required norms.

Our factory has been awarded ISO 9001:2015 Certification.

Certification

Standard: ISO9001

Number: ZZW17Q13660R0S

Issue Date: 2017-09-13

Expiry Date: 2020-09-12

Scope/Range: Production and sale of definite and indefinite thermal materials under requirement with non production license

Issued By: Shanghai Zhongzhiwei Certification Co.,Ltd.

Standard: ISO9001:2015

Number: 0071218Q53570R0S

Issue Date: 2018-09-25

Expiry Date: 2021-09-24

Scope/Range: Production and sale of shaped and unshaped refractory required non production license

Issued By: Zhongjian Certification Co.,Ltd.

Standard: ISO14001:2015

Number: 0070019E50515R0S

Issue Date: 2019-04-10

Expiry Date: 2022-04-09

Scope/Range: The relative management activities of production and sale of shaped and unshaped refractory required non production license

Issued By: Zhongjian Certification Co.,Ltd.

Standard: ISO9001

Number: ZZW17Q13660R0S

Issue Date: 2017-09-13

Expiry Date: 2020-09-12

Scope/Range: Production and sale of definite and indefinite thermal materials under requirement with non production license

Issued By: Shanghai Zhongzhiwei Certification Co.,Ltd.

Standard: ISO9001:2015

Number: 0071218Q53570R0S

Issue Date: 2018-09-25

Expiry Date: 2021-09-24

Scope/Range: Production and sale of shaped and unshaped refractory required non production license

Issued By: Zhongjian Certification Co.,Ltd.

Standard: ISO14001:2015

Number: 0070019E50515R0S

Issue Date: 2019-04-10

Expiry Date: 2022-04-09

Scope/Range: The relative management activities of production and sale of shaped and unshaped refractory required non production license

Issued By: Zhongjian Certification Co.,Ltd.

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