Qingdao East Steel Tower Stock Co Ltd manufactures and markets steel structure products in China. Its offerings include power steel structures, radio and television transmission towers, power transmission and transformation towers, angle steel towers, steel pipe towers and poles, substation support structures, and steel components, along with hot-dip galvanizing and anti-corrosion services. The company also supplies wind power equipment, clean energy, petrochemical, marine engineering, high-end civil construction, and public steel structure building applications, and operates in the potash fertilizer industry producing potassium sulphate, potassium chloride, compound fertilizers, and mixed fertilizers. Founded in 1982, it is headquartered in Jiaozhou, China.