Hebei Runyang Sealing Co., Ltd. is headquartered in the Industrial Zone of Julu County, Xingtai City, Hebei Province, China. Runyang Sealing (formerly Guangming Oil Seal Factory, established in 1973) is one of the early domestic manufacturers of sealing components. Our products have been tested by the Hebei Rubber Products Inspection Center, meeting all performance standards in the industry, with some production indicators surpassing those of foreign counterparts. We are a qualified unit recognized by the Hebei Provincial Technical Inspection Bureau. In November 2002, the company obtained ISO 9001:2000 Quality Management System certification. Daily production exceeds 10,000 units, supported by a dedicated R&D team, advanced equipment, and stringent quality control measures. KBTNOK is a manufacturer in the global market, with our main product lines including: industrial oil seals, automotive oil seals, agricultural oil seals, as well as construction machinery oil seals, valve seals, rubber parts, and O-rings. Our products are widely used in industries such as coal mining, oil fields, power, automobiles, locomotives, construction machinery, and agricultural machinery.