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Changsha DIALINE New Material Sci. & Tech. Co., Ltd.
Diamond wire and advanced materials — Changsha and Zhuzhou, Hunan

Certificates

Qualifications and Honours

Only publicly citable recognitions are listed. Certificates, test reports and export documentation are available on request.

  • National Manufacturing Single Champion Enterprise (2025, 9th batch).
  • National “Little Giant” specialist enterprise (2023, 5th batch).
  • High-tech Enterprise (first certified 2012).
  • Provincial Enterprise Technology Centre (certified 2018).
  • Changsha Municipal Enterprise Technology Centre (approved 2016).
  • Hunan Xiangjiang New Area expanded-capacity enterprise R&D centre (2025).
  • Lead drafting unit of the standard “Superabrasive products — Electroplated diamond wire” (issued 2013).
  • Listed on ChiNext, Shenzhen Stock Exchange — ticker 300700.
  • Intellectual property: more than 90 patents filed or accepted (including subsidiaries), more than 70 honorary certificates.

Quality, environmental and occupational health and safety management system certifications, and CE, RoHS and other destination-market approvals, are confirmed per market and product. Certificate numbers and validity are available on inquiry.

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