Zhuanghe Tongda Greasy Chemical Plant The company, established in 1998, is located in Zhuanghe City and enjoys a good location and very convenient transport. With an occupied floor area of 70,000 sq. meters, and boasting world advanced technologies and equipments, the company is specialized in the development, manufacture and sales of oleic acid and vegetable fatty acid. We now have 80 workers and 5 technicians. The annual production value is 80 million RMB yuan, and the annual output of fatty ...