Support

Fast, clear, and reliable technical support for drilling-fluid additives.

Resources

  • TDS
  • SDS
  • Catalogue
  • Certificates

FAQ

What drilling‑fluid additives do you provide?

Fluid loss additives (DYJ‑501/502, D‑HTF / D‑HTF PRO, D‑POLY 180/200), viscosifiers (PAC‑LV/HV, CMC‑LV/HV), lubricants, shale inhibitors, thinners, cementing additives, OBM additives, and more.

How can I request samples?

Share your receiving address and contact details. For first‑time cooperation, we usually cover international courier for initial samples.

Do your products meet API/ISO standards?

Production is under ISO 9001 quality management. Many items are designed to align with API RP 13 practices. TDS/SDS can be provided upon request.

What payment and shipping terms are available?

We support common international trade terms (e.g., CFR/CIF). For new customers, pre‑payment policies may apply. Details can be tailored per order.

How do I contact support?

Email info@dongyuchemical.com. We’ll route your inquiry to the right specialist.

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HENAN DONGYU CHEMICAL TECHNOLOGY CO., LTD

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

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