Welcome to safco about safco. saudi arabian fertilizer company, the first petrochemical company in saudi arabia, was established under royal decree no. m/13 dated 11-05-1385h – 1965 as a joint venture between the government and the citizens of saudi arabia with a In ambient air, boron concentrations range from less than 0.5 to approximately 80 ng/m 3 of air, with an average for air laying over continental land masses of 20 ng/m 3 of air.. boron accumulates in aquatic and terrestrial plants but does not increase in concentration through the food-chain. thus animals which eat plants or predators which eat these plant-eating animals do not build up ... Tara toothbrush company was established in dammam, kingdom of saudi arabia in 1988 and has been producing high quality toothbrushes ever since for its home market and export. tara is the registered name of our toothbrushes all of which are made with care at our factory in saudi arabia, which is also clearly stated on all of our product labels. Boron 20% ( disodium octaborate tetrahydrate) this fertilizer is most dependable source of solubor boron as it rapidly corrects boron deficiency. in white powder form. water solubility100% boron content20% min.