Kolkata has always played a quiet but important role in India’s chemical supply ecosystem. While cities like Mumbai and Ahmedabad are often discussed more loudly, Kolkata continues

I’m Sujit Dhar, founder of Petcojas Chemicals. I love sharing simple, useful insights about industrial chemicals.

A practical, experience-based guide for detergent manufacturers, traders, and bulk buyers sourcing consistent-quality detergent raw materials in Eastern India

Looking for a Reliable Detergent Chemical Supplier in Kolkata? Here’s What Actually Matters Before You Buy

Industrial water treatment sounds technical, but the real problems it solves are very simple: protecting your equipment, keeping your operations smooth, and reducing unnecessary co

By Sujit Dhar, Founder — Petcojas Chemicals

Mistakes to Avoid in Industrial Water Treatment — A Practical Guide for Plant Owners & Managers


Read the articles written by Sujit Dhar on Peerlist