Activity in the field of grain supply and distribution by the Stiri family began in 1330 with the efforts of the late Haj Shamsuddin Stiri. The key role of the deceased's eldest son, Mr. Sergerd Abbas Stiri, as a continuation of his father's path, in the development of the economic activities of the family is undeniable and praiseworthy. They are known as the most experienced people in Iran's livestock and poultry industry.

Currently, his children are managing the set of companies of Stiri Trading Production Group. Stiri Trading Production Group started its activity in Sabzevar city in 1360, covering the livestock and poultry industrial units in the field of supplying raw materials to the said units in Khorasan province. did

In 1369, by building a branch in Mashhad city, this group expanded its activity to all neighboring provinces and joined the jirga of chicken and egg producers and sellers in the country by building several broiler and egg-laying chicken units.

Bazgani Stiri production group established Enis Shams company in 1374 with the aim of supplying and distributing livestock and poultry feed inputs in Sabzevar city, and in 1380, with the launch of the Chinese layer supplement factory in Sabzevar, it entered the field of animal feed supplement and concentrate production. and poultry and is currently operating as one of the most reliable producers of supplements and concentrates, and by conducting scientific research and using high-quality raw materials and optimizing manufacturing formulas, it has offered quality products at a competitive price to the market. After many audits, Chinechin company's production system has succeeded in obtaining domestic and foreign honors and valid certificates, which creates stability in the quality of the final product and peace of mind for customers. Specialization of activities and expansion of its activities in the field of import of animal and poultry feed inputs in 2009 established Kian Barzin Mehr Company to pursue its business activities in a centralized manner and through this company. The import of inputs and additives for livestock and poultry feed, including amino acids, choline, vitamins and minerals, has made Kian Barzin Mehr Company one of the main levers in the supply of raw materials for livestock and poultry industrial units in the country.

Also, in order to promote and consolidate participation and cooperation and general cooperation and to meet common economic needs and help to achieve social justice as general goals and in a specialized manner and in order to lead the supply and distribution of livestock and poultry feed inputs and provide all related services With Sanat, Ishtar Market Company was established and since 2014 the activities of Anis Shams Company were also merged into this cooperative.

Even now, considering the development of new areas of investment in the aquaculture industry and the bright and growing perspective of the production of all kinds of farmed aquatics in Iran, Stiri Trading Production Group, using its past experiences, market knowledge, investment ability and also With its expertise and expertise, it has formed a specialized department for the supply and distribution of inputs and micronutrients for aquatic feed and, in parallel, research and investigation to enter the group of aquatic feed producers.