How Subhas Mondal & Swapnil Mondal Scaled Dass Engineering Into a $1M+ Pan-India PVC Pipe Machinery Business
In this interview, Swapnil Mondal, Director of Dass Engineering Pvt. Ltd., shares how a family-run engineering workshop evolved into a specialized manufacturer of moulds and downstream machinery for the plastic pipe industry. From solving a local manufacturing gap in Bihar to expanding across India and eventually serving international customers, the Dass Engineering story shows how technical expertise, product quality, patience, and decades of incremental improvement can build a durable industrial business.

