GB/T 27922-2011 After-Sales Service Evaluation System Certification – Five Stars Grades

Tengine Innovation's service capabilities have achieved the "Five Stars Grades" as defined by the national standard "Commodity After-Sales Service Evaluation System" (GB/T 27922-2011). The scope of this certification covers after-sales services for water quality monitoring instruments.
Tengine Innovation (Beijing) Instruments Inc.
Email: contact@tengine.com.cn
WhatsApp: +86 133 3109 8301
Address: Floor 6, Building 8, Yard 1,
Nongda South Road, Haidian District, Beijing
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