Local supplies began after the export to Japan was made through the new technology and new development. The cheap cost and easy installation, reduction of aur and other characteristics like its durability, chemical proof quality especially against alkali, acid and ammonia allows its semi-permanent use and its diverse standard under 1000 tons makes it suitable in conditions of live stock sites. * Outstanding maturate and high vaporization. * Easy management and semi-permanent use. * Low cost of process and treatment