Knowledge based Pars Lian Arvand Company started its activity in 1386 as a partner laboratory of the National Standard Organization in the General Administration of Ports and Maritime Affairs of Khorramshahr. This company, With regard to the use of professional specialists and valuable experiences of the founders, this company has been able to establish 5 branches throughout Iran to provide its quality control services in relation to the establishment of various laboratories in the field of determining the nature of petroleum products , textile and cellulose products, food, and cosmetics. andsanitary, etc., and also to check the supply of export, import and internal production needs of the standard departments, customs of the country and production units.