The full name of the company Aidi Precision is Yantai Aidi Precision Machinery Co., Ltd.

Established on August 6, 2003, its business scope includes research, development, production of servo hydraulic technology and related products, manufacturing of key automotive parts, and sales of the above-mentioned company's self-produced products (which are subject to approval according to law) projects, business activities can only be carried out after approval by relevant departments), etc.

On June 6, 2012, with the approval of the District Management Committee’s “Reply on the Transformation of Yantai Aidi Precision Machinery Co., Ltd. into a Joint Stock Company” (Yankaixiang [2012] No. 77), the company Based on the audited net assets of RMB 175,090,136.54 as of March 31, 2012, Aidi Co., Ltd. was converted into 110 million shares at the ratio of 1:0.62824784, and the entire company was changed into a joint-stock company. On June 7, 2012, the Shandong Provincial People's Government renewed the "Approval Certificate of the People's Republic of China and Foreign-Invested Enterprises" (Shang Foreign Investment Lufu Yanquzi [2003] No. 1612). On July 9, 2012, the company received the "Enterprise Legal Person Business License" (370600400015041) renewed by the Shandong Provincial Administration for Industry and Commerce.