Profile: Sri Tech Engineers offers process plants related to vegetable oil industries. Our oil expeller works on pressure volume ratio contraction, to extract the oil from edible/non edible oil bearing material. It is available in single press model for processing groundnut, sunflower & mustard seed and double & triple press models for processing cotton seed, maize germ & neem seeds. Our duplex vacuum plodder is used for final refining, compacting & air free extrusion of a continuous bar. It consists of two plodders mounted in tandem and connected by a vacuum chamber. It is provided with refining screens of various meshes and forces for final refining process.