This is Md. Selimuzzaman. I have studied my graduation and post graduation at Applied Chemistry and Chemical Engineering from Islamic University, Kushtia. My first job was in intertek Bangladesh. Where I was senior chemist. they are third party laboratory and assure quality of product as per buyer recommendations. After switching Intertek I joined in OMC as Sr. Executive. OMC is supplier of scientific instruments. Their partner are Spectro, AB Sciex, Beckman coulter, IKA, Buchi, Panalyticals and Jasco etc. Here I sold HPLC, LCMS, GCMS, ICP-OES, ICP-MS, Particle Counter, Oven, Water-bath, Sonicator, PH Meter, Multi Parameters, Melting Point Apparatus, UV-Vis, XRF and XRD etc and provided application support to customer. My third job was in Chrom-World Bangladesh Ltd. Where I was Assistant Manager Marketing. they are Distributor of Agilent Technologies in Bangladesh. Now I am continuing my job with Sarban International Ltd. as Assistant Manager Marketing. I am representing scientific instruments of Merck Germany. The products of Merck are Water Purification system, Air monitoring system, Sterility Test Analyzer, Syringe, Membrane Filter, Filtration unit, HPLC and GC column, Chemicals, Reagent and Solvent etc.