Hebei Ou Yu Technology Co., Ltd. is a professional enterprise engaged in the production, research and development, and manufacturing of metallurgical sensors. The company is located in Qianying Industrial Zone, Fengnan District, Tangshan City, Hebei Province. Currently, it has four production sites - the production site for oxygen sensors and auxiliary gun sensors, the production site for thermocouples and sampling devices, the production site for paper tubes and accessories, and the assembly site. The total area is approximately 80 mu. The main products of the company include the series of steel water temperature and oxygen measurement probes (high oxygen, low oxygen, fixed aluminum), the series of auxiliary gun probes (TSO, TSC), the series of projectile-type probes, the steel water hydrogen measurement probe, the rapid thermocouple, sampling devices, instrument and metering equipment, and a series of accessory and consumable materials. At present, the company has obtained more than twenty invention and utility model patents in related fields, and has passed IS09001 international quality management system certification, environmental management system, occupational health and safety management system, national high-tech enterprise certification, national science and technology type small and medium-sized enterprise certification, Hebei specialized and distinctive small and medium-sized enterprise certification, Hebei innovative small and medium-sized enterprise, industrial enterprise R&D institution certification, etc. The company has a professional R&D institution and a complete production and quality control mechanism. We adhere to the business philosophy of "striving for excellence, measuring good quality; serving steel enterprises, refining every furnace of steel", and strive to build a leading brand in the metallurgical sensor industry.