PBW involves in specialized engineering spares trading. This includes spares for auxillary engines, compressors, purifiers, pumps and partly automotive. This is specifically for components which are critical in nature with low volume and not sourced easily. It begun with merely couple of components in early 1990, having more than 2000 components on hand now.

These spares are developed and sourced from approved vendors under quality assurance system of PBW.