Shandong Zhengduo Engineering Machinery Co., Ltd.

Sadin Holding Group is a large-scale industrial equipment manufacturing enterprise with high-end engineer-ing machinery and agricultural equipment as its main business. It is located in the International Green Powercity-Weifang, Shandong. Sadin Holding Group currently has two major industrial zones, covering an area of more than 1,000 acres, andits business layout covers agricultural equipment, construction machinery, overseas business, finance andother fields. It owns five major brands: Sadin, Laputa, Geometry, Sanji, and Jiaye brand, forming a diversifiedproduct matrix with complementary advantages such as tractors, corn machines, balers, loaders, and excava-tors. With the goal of "becoming a world-class non-road equipment manufacturer", Sadin Holding Group continuesto innovate and develop, and continues to create social value through industrial synergy, forming unique com-petitive advantages and industry influence. In 2020, Sadin Holdings achieved rapid and high-quality development, with annual tractor production and sales exceeding 10,000 units, and was elected as the president unit ofthe Weifang Agricultural Machinery Industry Development Association.In 2023, Sadin Holdings once again bucked the trend and made a breakthrough, further increasing its brandawareness and influence, entering the first-tier echelon of the agricultural machinery industry, and successive-ly becoming the vice-president unit of the Tractor Branch of the China Agricultural Machinery Industry Asso.ciation and the annual user satisfaction brand of China Agricultural Machinery.