Certifications

Certifications & Trademarks : Upholding Our Commitment to Quality and Authenticity

At Dhubri Plywood, our dedication to quality, authenticity, and brand excellence is reflected in the trademarks of our two flagship brands — Marjing and Koubru. These trademarks represent more than just names; they stand for trust, reliability, and a long-standing commitment to delivering top-grade plywood products across India.

Both Marjing and Koubru are officially registered under Class 19, covering a wide range of wood-based products including plywood, marine plywood, shuttering plywood, block boards, laminate boards, and flush doors. These certifications legally protect our brand identity while assuring customers of the authenticity and consistent quality of every product we offer.

With successful registration under the Indian Trademark Act and formalities checked and passed through the Kolkata Trademark Office, we continue to strengthen our market presence and uphold the highest standards in the industry.

These recognitions are a testament to our company’s mission — to build trust through transparency, superior materials, and sustainable practices.

Inspired by nature and tradition, Koubru stands for premium plywood solutions with unmatched reliability and finish.

Symbolizing strength and heritage, Marjing delivers high-quality plywood products crafted for durability and performance.

Our Quality Promise

Our multi-stage quality checks ensure every plywood sheet we produce is consistent in strength, surface finish, and long-term durability — with zero compromises.

100% Core Composition Check

Every board is manually and digitally inspected for core gaps, overlaps, and uniform bonding.

Automated Calibration & Sanding

Precision machinery ensures even thickness and a smooth surface — ready for lamination or paint.

Termite & Borer Resistance Treatment

All sheets are chemically treated with long-lasting anti-pest solutions.

Water Resistance Testing

BWP and MR-grade sheets undergo extended boiling water tests as per BIS standards.

Edge Sealing & Branding

All edges are sealed with protective chemicals and batch-branded for traceability.

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