Hebei Runyang Seal Co., Ltd. is headquartered in Julu County Industrial Zone, Xingtai City, Hebei Province, China. Runyang Seal (formerly Guangming Oil Seal Factory, founded in 1973) is one of the early seal manufacturers in China. 
      Our product has passed the testing of Hebei Rubber Products Inspection Center, and all performance indicators meet industry standards. Some production indicators are better than similar foreign products. It is a qualified unit of Hebei Provincial Technical Inspection Bureau. In November 2002, the company passed ISO9001; 2000 Quality Management System Certification. Produce over 10000 products every day. We have a professional product development team, advanced equipment, and strict control over product quality. 
     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 engineering machinery oil seals, valve seals, rubber parts, O-rings. Our products are widely used in industries such as coal mines, oil fields, electricity, automobiles, locomotives, engineering machinery, and agricultural machinery