Qualifications-cementing additives-filtrate reducer-Tianjin Kelioil Engineering Material and Technology Co.,Ltd.

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Qualification

Quality Management System Certification Certificate(Chinese Version)

Environmental Management System Certification Certificate(Chinese Version)

Environmental Management System Certification Certificate(English Version)

Occupational Health Safety Management System Certification Certificate(Chinese Version)

Occupational Health Safety Management System Certification Certificate(English Version)

High-tech Enterprise Certificate

(Chinese Version)

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