N. J. International corporation is bringing rotary shaker. The company is engaged in the export, import of laboratory and scientific, hospital, medical, surgical products for the needs of hospitals, research labs, clinics, educational institutes, etc. These rotary shakers are ideal for mixing and developing cultures, chemicals, solvents, asseys etc; production of basic chemicals, pathological work and various other applications. These rotary shakers can be used for shaking solutions in erlenmeyer flasks. The rotary shakers generate the mixing and dissolving of the substance contained in flasks, bottles or test tubes. The rotary shakers is applicable for sieving and for speeding up chemical reaction.