The Knowledge Base technical and engineering Hooshmand Pajooh company, has been established in Tehran in 2002 in order to design and manufacture purely Iranian medical laboratory equipment, and It is also active in this field, including company products: blood's vial roller mixer, fully automatic analogue "blood collection mixer" in the year 2002, and production of three kinds of fully automatic ,smart, weigher of blood's bag mixer with various capabilities since 2008, from the simplest to the most complete and portable hemosealer along with modern foreign devices in the world, all of which have Production License from the General Office of Equipment Medical (Approved by the Ministry of Health and Medical Education) is.