Shandong Tiansheng Machinery Co., Ltd., a private enterprise, specializes in the development, sale and manufacturing of farm machinery. It is a company responsible for drafting the trade standards for disc harrow and mouldboard plow in China. As an excellent professional farm machinery manufacturer, the company owns the self-import & export license. In July, 2006, the company was certified by ISO9001:2000 Quality Management System. 　　Located in the new and high technology development zone i...View More