1-methyl-5-mercapto-1, 2, 3, 4-tetrazole, 2-mercapto-1, 3, 4-thiadiazole, methyl isothiocyanate, n-methylthiourea, taurine, 4-hydroxythiobenzamide, triphenylphosphine, sodium azide, trimethylolpropane.
Aluminium ( ingots, t bars, sows, rods), copper (cathodes, cakes, billets, ingots, rods), lead (ingots), nickel (cathodes both cut and uncut briquettes, pellets, discs, etc.), tin (ingots, etc.), zinc (ingots both regular size and jumbos), steel billets (all types including crc, hrc, hdgc, plates, sheets), concentrates and ores for above items including bauxite, manganese, clinker and iron ores etc), scraps of above items including hms 1&2 and steel scraps.
