green ointment use after zalim lotion. About : Oriental Chemical Works a GMP Certified company was founded by Late Shri Jaswantlalji Jha in the year 1929. The sole purpose of founding Oriental Chemical Works is to serve human kind by providing them effective medicines. We bring you to the products of formulations and proprietary medicines that are time tested. Our prime focus is on providing value to quality products, be it formulations or medicines. These products are patented, treating diverse health ailments.