Qingdao Choho Industrial Co., Ltd. is a leading enterprise in the domestic chain drive industry, a leader in chain system technology, and the first A-share listed company in China's chain drive industry. Chain drive is one of the three major transmission systems, widely used in fields such as motorcycles, automobiles, ships, agricultural machinery, engineering machinery, lifting and transportation machinery, logistics and warehousing, escalators, food and drug machinery, light industry machinery, and petrochemicals. Zhenghe Industry is engaged in the research and development, manufacturing, and sales of various chain transmission systems. Its products are mainly used in engines and transmission systems of various vehicles, agricultural machinery transmission and conveying systems, industrial equipment transmission and conveying systems, etc. With the upgrading of technology and the accumulation of the market, the company's product line continues to expand, and the vehicle chain system has been extended to fields such as ship engines. In terms of agricultural machinery, relying on existing technical experience, further research and development of tillage components such as rotary tillage blades and plowshares have been carried out, laying a solid foundation for further expanding the market and strengthening brand influence in the future. With industry-leading research and development technology, product quality, and service level, Zhenghe Industry has accumulated rich and high-quality customer resources. The company provides vehicle chain system products to well-known vehicle manufacturing enterprises such as Honda, Yamaha, Suzuki, Dachangjiang, Chunfeng Power, Qianjiang Motorcycle, and German Knorr Bremse; Provide relevant agricultural machinery chain system products for well-known domestic and foreign agricultural machinery manufacturers such as Klaas and Lovo Apos in Germany; We provide industrial equipment chain system products for well-known enterprises such as Guangdong Xinyuan, Kunchuan Logistics, Qingdao Kejie, and Xinsong Robotics. The trademark has been registered in multiple countries, and the products are exported to dozens of countries and regions such as Europe, America, Southeast Asia, South America, Africa, etc., serving over 2000 customers in the after-sales market. Zhenghe Industry attaches great importance to product innovation and production process optimization, always adhering to the integrated R&D approach of production, learning, and research. Through establishing cooperative R&D relationships with multiple domestic OEMs, research institutions, as well as universities such as Jilin University, Shandong University of Science and Technology, Qingdao University of Technology, and Liaoning University of Technology, it has built a skilled and solid R&D team with the technical ability to develop multiple R&D projects in parallel and respond quickly to customer needs. The company has the first batch of nationally recognized enterprise technology centers in the industry and has been selected as a national technology innovation demonstration enterprise. It has undertaken the national scientific research project of "Strong Foundation Engineering Project - High Power Ship Engine Chain" and successfully broken the foreign monopoly by strengthening the toothed chain of the engine. As a leading enterprise in the domestic chain drive industry, the company not only deeply cultivates various chain system products and technologies, but also actively participates in the drafting and formulation of national and industry standards. As of June 30, 2020, the company has drafted or participated in the formulation of 24 national and industry standards and holds 136 national patents. Zhenghe Industry attaches great importance to product quality and has successively obtained quality system certification from multiple global certification organizations such as France, Norway, and Germany. By establishing a refined production management process and quality control system, achieve full process control of products. Zhenghe Industry, which has introduced advanced production, processing, and testing equipment and possesses internationally leading full process quality control capabilities, is able to continuously provide customers with high-quality products. In the future, Zhenghe Industry will seize the opportunity of China's increasing emphasis on industrial foundation, increase technological research and development, actively expand business, and promote product extension. The company will draw on the production and research experience of independently developing fully automatic pillow packaging assembly lines and fully automatic chain link assembly lines, continue to promote production process automation and intelligent control technology, ensure efficient and stable product production, provide customers with high-quality and high-performance chain system products, and continuously move towards becoming a global leader in chain system technology.