Nanyang Zhongnan Instrument Co., Ltd. is a professional manufacturer that integrates research and development, design, and manufacturing, and is under the management of Henan Instrument and Meter Society. The company has excellent equipment, scientific management, and complete testing processes. The Chief Engineer's Office, Technical Department, Inspection Department, Quality Management Department, and Finished Product Testing Department cooperate closely to ensure that the product performance reaches the advanced level in China. The company currently has 48 employees, including 4 senior title researchers, 6 intermediate title technicians, 3 intermediate title managers, and 7 high school and senior technician personnel. The company relies on the society as its foundation, connecting high-level research institutions and military production enterprises vertically, enabling the company to navigate the increasingly fierce economic competition with ease. Since its establishment, the company has successively developed a batch of national blank products such as ultra micro rotary piston metering pumps and PI regulating self operated valves In the past two years, the company has independently developed the ZHYQ-II. type crude oil automatic sampler. This product is based on the international standard ISO3171 and the national standard SY/T5317-2006, with the characteristics of China's petroleum transportation as the research and development focus. The product has both high technological content and economic practicality, making contributions to the development of China's petroleum industry. In the 18 years since its establishment, the company has gone through ups and downs, forging a solid foundation for production and scientific research for Zhongnan Company. Our company's mission is to survive with quality and develop with technology. We adhere to the business philosophy of "satisfying customers" and strive to provide customers with high-quality products and comprehensive after-sales service. The general manager of the company, together with all employees, warmly welcomes new and old customers to cooperate wholeheartedly, achieve mutual benefit, and create brilliance together.