Jin Zhengda is a state-owned enterprise, Stanley family business, while Jin Zhengtai's salary is higher. As an old brand enterprise with a history of 28 years, Stanley is very strict about the quality inspection of products and the management of employees.
Jin Zhengda Ecological Engineering Group Co., Ltd. was established in 1998. Its leading products are compound fertilizer, slow-release fertilizer, water-soluble fertilizer and other new fertilizers. It is the largest slow-release fertilizer production base in the world. Stanley is one of the flagship brands of Stanley Black & Decker, an industrial hand tool brand and a craftsman-level power tool brand.