东宇化工

Certifications

Reliable Oilfield Chemical Solutions — Quality • Safety • Compliance.

ISO 9001:2015

  • Quality Policy： customer-first, right‑first‑time, continuous improvement.
  • Process Discipline： documented SOPs, change control & lot‑level traceability.
  • Compliance： certified to ISO 9001:2015; annual surveillance by accredited body. Original language versions are authoritative; scans show certificate No. and validity dates.

  • English version

  • 中文 版本

ISO 45001:2018

  • OH&S Policy：zero‑harm, prevention‑first, safety ownership by everyone.
  • Safe Operations： risk assessments, PPE adherence, drills & training.
  • Compliance： certified to ISO 45001:2018; legal/regulatory conformity & audits.Original language versions are authoritative; scans show certificate No. and validity dates.

  • English version

  • 中文 版本

COMPANY

HENAN DONGYU CHEMICAL TECHNOLOGY CO., LTD

ROOM 1506, BUILDING A, RISING TIMES, PUYANG CITY, HENAN, CHINA

Privacy Policy • Terms

CONTACT

  • Tel: +86 15239375177
  • WhatsApp: +86 15239375177
  • Email: info@dongyuchemical.com

FOLLOW US

© 2025 DONGYU CHEM. All RIGHTS RESERVED.
ISO9001 CERTIFIED MANUFACTURER