Tianren Agricultural Machinery Equipment Co., Ltd, the subsidiary company owned by Tianren Group, is located in Shijiazhuang City, Hebei Province. We have been specialized in research and development of combine head & combine harvester since 2004. Tsing Hua University and us co-designed the TR series corn head (combine header,). Our combine heads and Self-Propelled combine harvesters have been making more and more crop growers happy! Tianren works sincerely with growers across Mainland China, we make our best effort to provide more affordable, efficient, and reliable equipments to harvest their crops. Now we wish we can help more farmers around the world. Tianren is specilized in corn combine (3 rows to 7 rows, Sweet Corn, Corn Seed, Corn Kernal), corn head, Sunflower Header, Milo Header, silage Header, with rows units from 3 to 14 rows, with Row Spacing from 300mm to 1100mm; from 12 inch to 43 inch. Or veriable row spacing.