Jiangsu Ludong Intelligent Machinery Co., Ltd. (formerly Jiangsu Jingwei CNC Machine Tool Co., Ltd., hereinafter referred to as "LU DONG") was established in 1978 and is located in the northern suburbs of Jiangdu District, Yangzhou City, Jiangsu Province in China. It has 30,000 square meters of industrial plants, production and testing equipment, with a total land area of about 60,000 square meters. As one of the largest professional manufacturers in China specializing in the production of special tools, non-standard tools, machine tool supporting tools, and automobile on-board supporting tools, LUDONG has more than 10 patents and inventions. In 2002, it passed the ISO9001:2015 quality management system certification. LUDONG adheres to the technology innovation strategy and was awarded the national high-tech enterprise in 2022. The company's manual tool products include various specifications of crescent wrench, single-end ring wrench, single-end open wrench, double-end open wrench, ring slogging wrench, open slogging wrench, taper shank ring wrench, and various non-standard tools. All products are forged from high-quality alloy steel and carbon steel of well-known domestic steel mills, with reliable quality and complete specifications.