Sandan farming machinery company began to work under the name of Niazi industrial workshop in 1982.after modeling and mould making ,the implement was produced in 1992and at same year was displayed for public to see at Tehran permanent exhibition witch was well received by experts and farmers.among the features and capability of device,the following can be mentioned:1.capability to plant all kind of grains and oil seeds with maximum diameter of 5 mm2.capability to plant fertilizer and seed concurrently3. capability to exact planting and to the desired amount in a hectare4.capability to plant in every depth depending on the kind of soil and seed5.capability to press the seed and fertilizer (in seed bed and making mount and stream and full exploitation and light6.capability to put the fertilizer 3-5 cm under the seed(seed is not adjacent to the seed so prevent it from being destruct by fertilizer)7.being lightweight and simplicity of work with it8.width parallel with the tractor and ease of movement in roads
