Hefei TNJ Chemical Industry Co.,Ltd. is the key manufacturer and exporter of N-Ethyl-2-Pyrrolidone NEP CAS 2687-91-4 since from 2010. The production capability for N-Ethyl-2-Pyrrolidone NEP CAS 2687-91-4 is about 500 tons per year.. We export regularly to Korea, UAE, Russia, Brazil, Nigeria, Malaysia, America, Germany etc. The product quality is stable and meet 99.5%min in assay. We are also the key N-Methyl-2-pyrroldione suppliers in China. If you need to buy N-Ethyl-2-Pyrrolidone NEP CAS 2687-91-4, please feel free to contact: Ms. Rainie Wang sales02@tnjchem.com